HRV4Training Ambassadors
HRV4Training ambassadors help us build our community
We believe in empowering individuals with the ability to measure and interpret physiological data so that training and lifestyle stressors can be better balanced, resulting in improved health and performance. Learning from athletes and coaches is an invaluable part of the journey
Below you can learn more about who they are
If you are interested in joining them, you can apply here
We believe in empowering individuals with the ability to measure and interpret physiological data so that training and lifestyle stressors can be better balanced, resulting in improved health and performance. Learning from athletes and coaches is an invaluable part of the journey
Below you can learn more about who they are
If you are interested in joining them, you can apply here
Ismael Ortiz
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Ismael is a former Olympic swimmer from Panama (2004, 2008), and today he is a master swimmer and top ten in the world in the 40-44 age group. "In my prime Olympic level, I wish I could have HRV4Training. And I believe it is important for athletes to reach goals and to understand why their body sometimes needs rest instead of training." |
Eva Hermann
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Eva is a coach to amateur runners of all levels - from complete beginners to advanced marathoners. Coaching is a passion and she finds it an exciting, creative, and deeply rewarding process where he strives to find the most effective approach for every runner she works with. From 2016 to 2018, she was part of the RunCzech team, organizing seven prestigious races across the Czech Republic, including the renowned Prague Marathon.
"I strongly advocate for an integrative, holistic approach to training. To maximize your potential and minimize the risk of injuries, we must consider both your training load and overall life demands. Success in running goes beyond just running; it requires attention to strength and conditioning, nutrition, and recovery, and here is where HRV4Training comes in." |
Elia Mattio
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"Sono Elia Mattio, un giovane atleta che sogna di diventare professionista e di vivere di corsa. Per ora ho vinto un campionato europeo di corsa in montagna nella categoria U20 e numerosi titoli italiani. Ho vestito la maglia azzurra della nazionale in 6 competizioni facendo l'esordio anche con la nazionale maggiore lo scorso anno.
Uso HRV4Training tutti i giorni. Ho subito notato un'analisi più dettagliata di tutti i parametri, personalizzando molto di più quella che è la risposta all'elaborazione dei dati forniti tra HRV e allenamento. Ho imparato a polarizzare maggiormente il mio allenamento e a recuperare di più quando l'HRV segnalava anomalie nel mio stato fisico" |
Jacques Jefferies
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Jacques is an international biathlete racing for the British National Team and currently preparing for qualification toward the Milan–Cortina 2026 Winter Olympics. A dual French–British athlete, he grew up through the Haute-Savoie Nordique structure and now competes on the IBU Cup Circuit. He serves as a Sustainability Ambassador for the International Biathlon Union and a Mental Health Advocate, using his voice through social media, public talks, and written newsletters to promote athlete well-being, environmental responsibility, and a more human approach to elite sport.
"I use HRV4Training daily to better understand how my body reacts to training, travel, and recovery rather than just to follow a plan. By correlating HRV trends with perceived fatigue and training load, I’ve learned to adapt sessions more intelligently and build consistency without overreaching, which has become key in managing my season-long training performance." |
Rachel Neylan
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Rachel is a former Pro cyclist, Olympian, Physiotherapist, and now into Performance Consulting and Coaching "I use HRV4Training to measure, track and optimise human performance. I believe HRV4Training is the best way to accurately measure HRV. Quality protocols enable meaningful physiological data interpretation." |
Andrea Barra
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Andrea is passionate about trail running and ultras. Over the years, his passion has grown more and more and he joined a team and broadened his interest to include shorter races and road races as well. "I like to experiment and monitor my HRV daily to adjust my approach in the medium term and have a history that shows what worked and what didn't. The biggest thing I learned from HRV4Training is for sure to look at the big picture." |
Alessandro Blanc
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"Pratico ciclismo a livello agonistico nel settore gravel. Quest’anno ho ottenuto il primo posto ai campionati italiani ed il terzo a quelli europei di categoria. Sono tecnico allenatore di 3 livello e quest’anno ho aperto il mio studio nel quale mi occupo di coaching e bike-fit mentre proseguo gli studi in scienze motorie.
Ho iniziato ad utilizzare HRV4Training per misurare la variabilità cardiaca. Ho imparato che i dati vanno saputi interpretare e che per essere analizzati in modo corretto servono molte misurazioni il più possibile coerenti tra di loro." |
Shiva Leisner
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Shiva is a 30 year old ambitious triathlete located in Aarhus (central Denmark). For the last 10 years he has been dedicated to the sport of Triathlon and have for the last 4 years been on elite level. In August 2024 this resulted in a second place at the national middle distance championships and in 2025 he raced top 5 positions in the PTO.
"I have learnt a lot about my recovery, training readiness, and if I am close to becoming sick, using HRV4Training. A very usefull app for a professional athlete. And I have recommended it to all my friends who train a lot." |
Mathieu Courthoud
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Mathieu is a 360-degree athlete, in summer he runs on the road and in winter he is a cross-country ski instructor and coaches a ski club. "I use HRV4Training every day to train in the best way. I learned to listen to myself and manage training in the best way." |
Juan leonardi
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"I am Juani, an amateur triathlete with more than 9 years of experience in short and medium distance triathlons. He has completed more than 20 medium distance triathlons and participated in the Ironman 70.3 World Championship in Finland 2023. He is currently qualified for the 2025 World Championship in Spain.
For me, HRV4Training is a daily tool that I use to analyze my physical condition. I use it to look for recovery and fatigue patterns, in order to optimize my training, to be able to make decisions about my future sessions and my planning. It is a very easy-to-use, versatile and reliable tool." |
Amy Perryman
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Amy is 23 and is a semi-professional cyclist riding for herself currently as a privateer. Her main disciplines are cyclocross and Crit racing. She races internationally throughout the cyclocross season in some of the highest level races. The end goal is to ride for a professional team in the world tour.
"I use HRV4Training to keep myself informed on whether I’m getting ill or not. It helps me know when it’s important to recover. " |
Alessandro Sala
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Alessandro is a psychotherapist and sport psychologyst. He started doing swimming competitions when he was young and now he is a climber. "I use HRV4Training every day in the morning to understand if what I feel is right or wrong." |
Antonio Gomez Ortiz
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Antonio is a profesional Cross country Olympic rider, who participates on world cups and world championships. His goal is to qualify to the Olympics on 2028 LA. He is from Colombia and is 20 year old. "I use HRV4Training when I wake up to better understand if the body is in a period of repair or freshness." |
Kirstyn Goodger
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Kirstyn rowed from high school to club level to U19 rep then gained a full rowing scholarship to D1 University in America (UW). After that she returned to NZ broke back into the national team and raced for my country all over the world at elite level. After rowing she has started a hyrox journey which is rooted in a passion to always be training, competing and challenging herself.
"I love how easy HRV4Training is to use and easily it integrates with TrainingPeaks I think there will be a lot of athletes like me who have left professional teams but still want an easy and affordable way to track health as thats how our training brains have been conditioned." |
Marko Usabiaga
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"Soy Marko Usabiaga, atleta Profesional de OCR (carreras de obstaculos), y me dedico a entrenar en las altas montañas del valle de aran. Soy Campeon de Europa y de España de OCR de mi edad y ahora estoy preparandome para conseguirlo en categoria elite
uso HRV4Training a diario para cuantificar mi fatiga interna y entrenamientos, llevo varios años usandolo, he aprendido a entrenar bien y a estudiar datos" |
Josef Kong
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Josef is a content creator focused on running and fitness. He is currently on a personal project to qualify for the Boston Marathon. He ran his first marathon this August and since February he has been sharing daily posts about his training and nutrition.
"HRV4Training quickly became a key part of my routine. The importance of recovery, sleep, and training load management, showing me to listen to my body. It gave me measurable insights that align perfectly with what I share with my audience: how smart data can help you run better, not just harder." |
Erin Normoyle Rowell
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Erin Rowell Normoyle is a two-time Para-cycling Track World Champion representing Australia. A C4 sprint specialist, she has established herself as one of the fastest and most determined riders on the international stage. She is known for her explosive power, precision, and relentless drive — qualities that have seen her claim multiple UCI World Championship titles and represent Australia at the highest level of the sport.
"I use HRV4Training each morning to track my recovery and readiness. It helps me understand how my body’s responding to training, travel, and stress — showing when to push harder or back off. I’ve learnt how much sleep, nutrition, and mindset affect performance." |
Loris Conti
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Loris started running as an adult, at the age of 32, and it has since become an integral part of his life. He primarily focuses on long distances, and even today, at 47, he continues to improve my performance and has completed over 100 races, including finishing the '100km del Passatore' four times.
"HRV4Training has allowed me to objectively visualize how my body responds to high training volume, ensuring that the load does not exceed recovery capacity and preventing the onset of overtraining. I have learned to modulate the intensity of key sessions based on the daily baseline provided by the app." |
Matteo Mengarelli
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"Sono un ciclista di 18 anni, ho concluso la seconda stagione da juniores con ottimi risultati nazionali e internazionali, il prossimo anno debutterò tra gli under23. Credo che HRV sia una misura importantissima e HRV4Training sia un'ottima soluzione per misurarla e imparare a leggerla" |
Marisol Hernández Fischer
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Marisol is a calisthenics coach and athlete, who studied environmental engineering and who is passionate about training, healthy lifestyle and reaching my best performance in life and in sports.
"I use HRV4Training every day to evaluate if my training is going according to plan; sometimes adjusting daily intensities and evaluating if adaptation is on its way. It has been very useful to understand how stress, related to training or daily life activities, impacts my nervous system." |
Joseph Nunn
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Joseph is a trail and ultra runner based in Tasmania. He loves racing but also getting out on mega adventures in the wilderness. He has been running semi-seriously for about 7 years now and has worked up to running 100 milers. He loves experimenting whether it be by making his own gels, trying different training methods, using HRV to guide training or eating a kiwi fruit before bed to see if it helps him sleep better.
"I use HRV4Training daily to take my morning HRV measurements and use it to train dynamically. I will sometimes postpone intense sessions if both my subjective metrics and HRV data are out of whack. I love the morning reflection, it is a good way to reflect on the internal response to external training loads. I also love seeing to correlation between other life stressors and HRV data. For example I took a course of anti-biotics and saw my HRV plummet for the week I was on it then it rose again after completing." |
Tim Gosnjak
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Tim Gosnjak is a PRO triathlete from Slovenia. Triathlon is not just a sport for him, but a way of life - a lifestyle that requires discipline, endurance and unwavering dedication to the end goal. In 2025 he raced in the PRO category with some excellent results: Extrememan Nagyatad - 1st, Austria Triathlon Podersdorf - 1st, Zadar Half Triathlon - 3rd, Ocean Lava Montenegro - 1st, and Challenge Gdansk - 12th.
"I use HRVTraining every morning to see how my body recover through the night. It's easy to use, I just place my finger on the phone's camera to measure HRV. I have learnt that it is important to have a good and enough sleep." |
Michael Gavelis
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Mike finished 3rd at the 6-hour World Time Trial Championships in November of 2025. He is a 39-year-old dentist from Saskatoon, Saskatchewan, Canada. He enjoys spending time outside tending to the acreage with his wife and dog, and in his free time am a long-time road cyclist. His cycling focus is on time trials long distance endurance events. In the past couple of years, he has also ventured into running with aspirations of representing his country in the 2027 Duathlon Multisport World Championships.
"I began using HRV4Training as a useful tool in my training to track my heart rate variability to ensure that I wasn't overdoing things but not underdoing them either to fine-tune my fitness and training. When I added running training to my cycling training, it was an invaluable tool to measure my body's response to the increase in training load and to modify training accordingly." |
Brian Condron
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Brian started using HRV4Training on his road to normalcy which started in June 2024 when he had a stroke due to a heart-related condition. Since then, he's raced at the Ironman World Championships in Kona, set PRs in running races, and taken podium spots at cycling, triathlon, and running races. For him, the biggest accomplishment over the last 16 months is remaining in my family and friends' lives since my event.
"Every day, using HRV4Training is the first thing I do to start my day. It informs me on how hard or light I should make my training for the day as well as how much I've recovered from the last few days during a heavy training block." |
Emily Yang
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Emily is a junior triathlete who loves to do all things tri and especially biking. They enjoy sharing their experiences through social media.
"I use HRV4Training to see if my body is ready for the day’s activity, as well as how my sleep is day to day and accumulated sleep. My heart rate waking up and if I’m prepared for the day’s activities." |
Jeferson Guareze
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Jeferson is an amateur road and mountain bike cyclist and trail runner focused on endurance races.
"I use HRV4Training daily as a basis for assessing my health, especially to align with my training plan. Measuring and analyzing HRV allows me to validate my training and health strategy to achieve better results and improve performance and quality of life. Strategic data such as fatigue levels, training balance, and their trends are crucial to my goals." |
Emanuele Faraco
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Emanuele is a professional triathlete and endurance coach. He competes at national and international level, focusing on long-distance and middle-distance racing. His approach to training is highly data-driven, integrating HRV, training load, recovery metrics and physiological feedback to optimize performance and daily decision-making.
"HRV4Training is a key tool in my process, supporting both training management and long-term athlete development. My dream and my ultimate goal is to qualify for the Ironman World Championship in Kona as a PRO. Through HRV4Training I’ve learned how small changes in recovery can make a big difference in long-term progress." |
Claudia Meneghello
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Claudia is a triathlete.
"Every morning I wake up and the first thing I do is tap the HRV App! It’s very important number for me and my coach. Through HRV4Training I learn about my health status, tiredness or not and determine the quality of training." |
Alberto Trame
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Alberto is a geopolitical analyst and writer for some magazines and think tanks. He has been running since high school but for 5 years at a competitive level. He mostly runs up to the marathon distance, both on road and on trails. Before running he competed in fencing (épée).
"HRV4Training has helped to put on a broader perspective the fluctuations of my HRV and heart rate and to analyse and anticipate periods of ups and downs." |
Simone Cerulli
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Simone is a trail tunning athlete and coach with a deep passion for sports and endurance training. He is continuously expanding my knowledge in sport science, and for over a year now, he has been using HRV4Training daily to monitor my training readiness. His curiosity and passion for understading how physiology work allow him to keep learning new things and to provide an ever-improving service for his athletes.
"I use HRV4Training every day to monitor my training readiness, fatigue levels, and to track how workouts affect my body. I also use it to understand which non-training activities put the most stress on my body, such as travel or evenings that differ from my usual routine. I always try to listen to my body, but with the help of HRV4Training, I can gain deeper insights into my overall health, which helps me make better decisions." |
Emma Bush
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Emma started her triathlon journey 12 years ago. Since then she managed to qualify and compete at the Ironman 70.3 WC in Nice. She also raced for British Triathlon at European and WC races as an age grouper. In 2020 she was diagnosed with breast cancer. In 2022 she competed her first 70.3 since her treatment. Since then she has completed 3 other triathlons and an ultra marathon.
"Throughout my treatment I have used HRV4Training to monitor my readiness to train. I’ve used it for many years and believe it is one of the only metrics that works in conjunction with my training plan and helps me make good decisions on a day to day basis with regards to training and load." |
Salvatore D'Auria
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Salvatore is a trail and sky runner. In the past, he was a competitive XC and marathon mountain bike athlete in the junior and U23 categories. He still use the bike for training, but his main focus is now on trail running, with a growing interest in mountaineering and high-altitude activities. Over the past year, he has become increasingly competitive, consistently finishing in the top 10 of local races.
"I’ve been using HRV4Training since 2018, when I was mostly self-coached. Nowadays, thanks also to Marco Altini’s Substack — which I find super interesting — I’ve learned how to use this tool more effectively. I mainly look at HRV trends over the long term: together with my coach, we monitor HRV throughout training blocks of different durations. I believe it’s not useful to change a training plan just because HRV is slightly lower on a single day." |
Marco Pagliara
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I’m passionate about running and cycling, always chasing new challenges on the road. I practiced karate for nine years, which taught me discipline and focus — values that now fuel my endurance training. After completing several half marathons, I ran my first full marathon in 2025 and I’m already excited for the next one.
"Every morning, I check in with HRV4Training to make sure my training and recovery stay in balance and to see how everyday stress impacts my performance. I find the feedback it provides very useful, especially over the medium to long term, as it gives me insight into the effects of training load. I also find the detection of the lactate threshold to be extremely accurate." |
Alla Rutsynska
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Alla is 46 and lives in the very western part of Ukraine, city of Uzhhorod, surrounded by beautiful Carpathian mountains. She has been running for about 7 years on both trails and roads . She completed 4 road marathons and 4 trail ones and did a 65km trail this summer with 3500 meters of elevation. "I use HRV4Training every morning to check on my readiness for the day and for the planned activities." |
Laurent Michiels
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Laurent is 31 years old and was born and bred in the beautiful city of Bruges, Belgium. He loves being outdoors and doing sports such as cycling, running, and hiking. He participate,d among others in the cycling classics Liège-Bastogne-Liège (about 250 kilometers with 4,500 metres of elevation gain) and We Ride Flanders and also made his debut on the marathon in Bruges (just sub 3).
"I use HRV4Training daily, measuring while sitting, after waking up. As HRV tells me something about my body's overall response to stressors in life, I use it as a proxy to track my readiness for training and capacity to endure stress. It also taught me not pay (too much) attention to, and definitely not worry about, made-up readiness and sleep scores shown by my Garmin watch." |
Vanessa Gravina
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Sono una runner per passione. Abito in Italia, a Rovigo, Veneto e da qualche anno sono iscritta ad un ASD di running e partecipo a 4/5 mezze maratone all'anno, l'obiettivo è più che altro il benessere e il divertimento ma mi piace mettermi in gioco e analizzare le mie corse e i miei progressi. Al momento sono in preparazione della mia prima maratona.
"Da un po' di tempo ho conosciuto HRV4Training e ho cominciato a usarlo per monitorare i miei parametri trovandone beneficio nell'organizzazione dei miei allenamenti. Ho imparato soprattutto a gestire i momenti in cui necessito di riposo e serve a calibrare i miei sforzi senza eccedere." |
Galibert Steven
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Galibert est passionné de sport depuis le plus jeune âge. Il pratique le triathlon depuis 10ans et propose également du coaching au sein de sa propre entreprise. Cela représente un travail réalisé en duo, qui lui tient particulièrement à cœur.
Il a réalisé plusieurs triathlons Ironman: Platja de Aro x2 avec un marathon IM en 2h36, Ironman Portugal 3ème AG overall, Embrunman, Ironman Nice 2024 vainqueur, Ironman Hawaï 2024 97ème overall, Ironman Lanzarote 3ème AG overall, WC Nice 2025 7ème AG 3ème 30-34. "J’utilise HRV4Training tous les matins au réveil, et cela m’aide à adapter mon entraînement au quotidien." |
Lauren Castalano
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Lauren is an ACSM Certified Exercise Physiologist, CCT & EKG certified, and a Precision Run Coach and she was a former collegiate 400m hurdler, heptathlete, and cross-country runner. She has over 14 years of coaching experience and her passion lies in helping people improve performance and longevity through running, strength training, and data driven recovery training.
"HRV4Training has definitely proven to be a game changer. Seeing as it provides objective data it allows me to anticipate and adapt to autoimmune flare patterns. I’ve learned how fluctuations in HRV, especially SDNN and rMSSD, correlate closely with inflammation and hormonal shifts. By tracking these metrics daily I can adjust my training intensity, recovery protocols, and nutrition proactively to prevent setbacks. " |
Jack Fabian
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Jack is a former college and USA national team coach for swimming. He was a head coach for USA swimming for open water swimmers at World championships (Shanghai) and the Pan American games (Toronto). He also coached club, paralympics, and masters. He is currently working online with Tower 26 triathlon and on his own as a remote coach for several triathletes.
"Every morning I use HRV4Training to get a read on my health and recovery status." |
Homero Francisco Cachel
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Homero is a the triathlon coach for the Brazilian Development Team and he holds a MSc Performance Physiology (UFPR). He is also a former professional cyclist in Brasil. "I use HRV4Training to monitor recovery and the magnitude of training loads.I learned to improve the relationship between loads and recovery in training cycles." |
Emma Stephens
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Emma is a UK-based runner and coach, specialising in the longer distances (marathon and ultra) on both road and trail. She recently completed her goal of a lifetime, Comrades Marathon, and she has her sights set on the World Majors next.
"I use HRV4Training each morning to understand how my training load and life stresses are impacting me. Identifying trends early helps me to take action, whether that be ensuring I’m on top of my sleep or nutrition to avoid illness, or perhaps scaling back a session if I’m not fully recovered." |
Fabrizio Duca
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"Ho partecipato a parecchie gare con discreti risultati e negli ultimi anni ho cercato di superare i miei limiti con prestazione di endurance (come everesting o valtellina extreme). Nel 2023 son arrivato 6° al campionato europeo ultracycling 24h
Uso HRV4Training dal 2020 e sono inoltre allenatore di atletica leggera(TA3) e allenatore di ciclismo (TA3). La cosa più importante che ho notato è il fatto di prevenire le influenze e se sto caricando troppo a livello sportivo" |
Andrea Innella
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Andrea is a sport scientist and endurance enthusiast, passionate about human performance and recovery. He does triathlon and recently started exploring trail running. For work, he focuses on movement analysis and rehabilitation, while for passion he coaches endurance athletes to help them train smarter and perform better using data-driven approaches.
"I use HRV4Training to monitor recovery and stress, allowing me to better tailor and adjust training based on daily readiness and life demands." |
Judith S Brand
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Judith has been a triathlon coach for over 15 years with athletes who vary from beginners to very experienced age groupers. As an athlete, her main focus is masters swimming, although she also do a bit of cycling.
"I use HRV4Training personally to determine the intensity of my training. I love the traffic light system and try to adhere to it. As a coach, I use it with my athletes in a similar way, especially those who have a tendency to pick up bugs." |
Alex Kenzo Nakabayashi
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Alex is a Personal Trainer specialized in Cardiac Rehabilitation. He is a passionate enthusiast of the cardiovascular field and has been studying heart rate variability (HRV) since my undergraduate years (2014), and for his specialization thesis (2015), he used HRV data collected in a hospital setting and could already see the potential of this metric.
"I am currently using the HRV4Training app to measure my HRV daily and use it as a way to predict exercise intensity. I also appreciate that you provide other metrics besides rMSSD, such as HF and LF, for example. I want to understand how different everyday situations can affect these analyses and how the graph will behave over time." |
Umberto Grella
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"Mi chiamo Umberto e sono un tecnico certificato dalla Federazione Italiana di Atletica Leggera (FIDAL). Osservare e comprendere a fondo ogni dettaglio del percorso degli atleti è essenziale per me: mi dedico ad analizzare con cura i dati e le dinamiche di ogni allenamento, per assicurarmi che la direzione sia sempre in linea con gli obiettivi stabiliti. Questa analisi non solo permette di apportare le giuste correzioni, ma anche di valorizzare i punti di forza e ottimizzare l’efficacia di ogni fase.
In particolare, integro le rilevazioni di HRV fatte tramite HRV4Training con il piano di allenamento e l'utilizzo per verificare se gli allenamenti degli atleti che seguo siano adeguati. Ho imparato in questo modo ad usare HRV4Training per adattare gli allenamenti." |
Mariana Toledo
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Mariana is a cardiologist and sports medicine physician in Brazil. She trains CrossFit and runs. Her postgraduate thesis was on HRV and she recommends the App to all my patients. "As a doctor, I understand the importance of HRV, and HRV4Training allows me to perform a standardized assessment. In addition to being practical and reliable, it has become an essential tool for improving my patients' performance." |
David Gagnon
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David is a lifelong mover with a background in Physical Education and a not-quite-finished master’s in Sport Science. He has spent over 25 years coaching and training snowboard instructors, and the last 15 doing the same in mountain biking. He was part of the early crew that built the Professional Mountain Bike Instructor Association (PMBIA), where he served on the board for four years before stepping into the Executive Director role for another four. Now, for him, health has become a top priority, not just riding, but experimenting with periodized nutrition, structured training, and recovery strategies to stay sharp and durable.
"Using HRV4Training, I’ve started to notice trends I can almost predict. After a hard workout or long ride, I know my HRV will drop the next day, no surprise there. But when I’ve hit a good training rhythm and my body is adapting well, my HRV stays high, resting HR drops, and I know I’m moving in the right direction. It’s a great feeling to see the data line up with how I feel." |
Silvio Aguiar
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Silvio holds a degree in psychology from Santa Úrsula University (USU), a postgraduate degree in Applied Neuroscience from the Federal University of Rio de Janeiro (UFRJ), and specializations in: Neurofeedback (Nova Tech EEG/USA), Biofeedback (Biofeedback Federation of Europe – BFE), HRV for Peak Performance and Elite Athletes (EliteHRV), Self-Regulation Program for Peak Performance: Olympic, Military, & Elite Sport Applications (BFE), Stress Management (ISMA-BR and Colorado State University). He is a Mindfulness Instructor at Oswaldo Cruz Hospital (HOC-SP) and a professor in the Postgraduate Program in Sports Psychology and Neuroscience at PUC-PR.
"I use HRV4Training to monitor the morning readiness of the Autonomic Nervous System (ANS) along with contextual information experienced during the week and the day before the reading, in order to adjust the allostatic load for the day ahead. I hold weekly online sessions of approximately 50 minutes where we discuss the necessary habit and lifestyle changes to eliminate what can be eliminated from the individual's life (athletes and non-athletes alike). " |
Kaylie Tejeda
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Kaylie is a first-generation Dominican American, Nurse Anesthesiologist, and Functional Medicine Practitioner who loves to hike, run, cycle, and play pickleball to support her wholeSUM lifestyle. "As a nurse anesthesiologist, I was trained to be the ultimate guardian of someone else's physiology-finely tuned into the microscopic shifts that alert a clinician to danger. But there is a cruel irony in being a healer: you often become a ghost in your own life. While I was completely focused on keeping others safe, I was ignoring the fact that my own system was redlining. Eventually, I started running. It was the only thing that made sense-the simple, honest dialogue between my heart, my breath, and the pavement. But I quickly realized I didn't know how to trust my body anymore. After years of silencing my own needs to serve my patients, my internal compass was inaccessible. I couldn't tell the difference between the discomfort of growth and the warning signs of further depletion. That is where HRV4Training met me. It provided an objective bridge back to myself. It wasn't just about the data; it was about having a translator for my nervous system when I couldn't hear it myself. It transformed my "pushing through" mentality into a practice of "training with" awareness." |
Bjorn Anderson
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Bjorn is a lifelong runner and co-founder of RunWise AI LLC. He competed in NCAA Division I cross country and track & field and has finished seven marathons, including Boston.
"I use HRV4Training as part of my morning routine, following the app’s guidance to take a measurement each day after waking. By tracking long-term trends, I’ve learned to better understand my physiological state, particularly how well I’m recovering from training and managing overall stress. Over time, I’ve noticed how factors like sleep, intensity, and even life stress affect my HRV baseline. HRV4Training has helped me translate that data into smarter training decisions such as when to push, when to hold back, and how to recognize early signs of fatigue before they become setbacks." |
Roelof Flierman
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Roelof is a trainer/coach who works with both amateur and (semi)professional athletes, including national champions, in road racing and track and field including sprinting/hurdling, jumping and throwing events as well as ultrarunning (trail) events. He uses daily measurements of HRV to monitor (training) load and readiness, in conjunction with subjective scoring systems to assess training readiness.
"I try to incorporate the use of HRV4training app data in the daily training log of my athletes (together with subjective scores), and the data proved very useful as a conversation starter about how to proceed and adjust their training accordingly." |
Luca Polselli
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"Sono un personal trainer e sportivo appassionato, con un forte interesse per la performance, la salute e l’allenamento consapevole. Mi piace combinare la pratica sportiva con l’analisi dei dati per ottimizzare i risultati e migliorare il recupero.
Credo fortemente in un approccio basato sull’ascolto del corpo, la prevenzione e la personalizzazione dell’allenamento. Condividere conoscenza e promuovere una cultura sportiva sostenibile è una parte importante del mio lavoro. Utilizzo HRV4Training quotidianamente come strumento di analisi avanzata per monitorare la variabilità della frequenza cardiaca e valutare lo stato del sistema nervoso autonomo. Integro i dati HRV con informazioni su carico interno ed esterno, qualità del sonno, percezione dello sforzo e readiness, per personalizzare al meglio i programmi di allenamento miei e dei miei atleti." |
Conceição Campos
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Senior radiation oncologist that loves sports and studying Sports Medicine and Endurance. "I like to run although not that fast. I use HRV4Training to check my recovery from running, which I find very useful" |
Gonzalo Cortes
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Professional Freediver - Athelete Freediving Instructor Trainer (Instructor of Instructors) and coach. 14x National Record Holder (and growing) Owner of OceanSense Freediving Australia World Championships Participant "I use HRV4Training to track my HRV in the morning, so I can see and compare my sessions to find a relation between the outcome of my training and my actual performance." |
Eliza Sampey
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"I am a former professional backcountry athlete specializing in multisport expeditions and bikepacking races, retiring in early 2024 after one too many concussions. As a longtime physical therapist and adventure coach, my personal journey with persistent post-concussion symptoms led me to pursue specialized training in concussion rehabilitation and mentorship. Now, I am dedicated to supporting others who are navigating the same challenges I once faced.
Following my most recent concussion I've been on a journey to return to my beloved adventure pursuits, which led me to discover HRV4Training and become a devoted reader of the HRV4Training Substack, learning everything I can and often using the information as inspiration to dive even further down research rabbit holes. Personally, I’ve been using HRV4Training primarily to monitor my autonomic nervous system’s response to exercise intensity, duration, and timing as I manage my concussion rehabilitation. Tracking how my ANS recovers after exercise and overnight sleep has been crucial in determining when to adjust the variables of my cardiovascular exercise, as well as other rehabilitative activities targeting my postural orthostatic tachycardia syndrome (POTS). Without obvious symptoms like dizziness or headaches that are no longer present, I need to rely on ANS indicators such as HR and HRV to gauge my brain’s response to exercise and positioning. Thanks in large part to HRV4Training, as of October 2024 I can now enjoy my outdoor activities for nearly four hours—and counting—without compromising my sleep that night or my physical and cognitive performance the next day. In addition, my POTS has completely cleared up." |
