Endurance Unlimited

Endurance Unlimited

Dial in those workouts with deep insights and cutting-edge science from the most prominent voices in the endurance and hybrid sports world. Whether you're a triathlete, cyclist, runner, ultra-endurance athlete or coach, and many other sport types, subscribe now to learn how to train for success. Endurance Unlimited is your endurance training resource. To learn more about how TrainingPeaks can help you achieve your training goals, visit us at trainingpeaks.com.

Episodes

August 7, 2025 59 mins
You're not seeing things. CoachCast has been renamed Endurance Unlimited. Stay tuned for more great episodes and more. Now, on to this episode... Dr. Iñigo San-Millán explains the science and strategy behind optimal cycling nutrition. Learn how TrainingPeaks' new Fueling Insights feature leverages decades of his metabolic research data to help athletes and coaches evaluate and individualize fueling plans based on athlete metrics,...
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The evolution of paddle sport racing is pushing the limits of endurance competition, where training technology and data-driven coaching play a significant role. April Zilg, world champion paddle athlete, joins the show to share her journey from "couch potato" to the top of the stand up paddle board (SUP) world—all powered by smart training, dedication and data. In this episode, April reveals how technique-focused coaching, a scien...
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In this episode, host Dirk Friel sits down with professional gravel racer and Ignition Coaching coach Dylan Johnson to dig into all things gravel. They break down the cutting-edge equipment trends seen at the 2025 edition of Unbound Gravel, as well as training trends, nutrition and training tips for both amateurs and pros. Hear why mountain bike tires are dominating the scene, the evolving role of aerodynamics in the sport, and ...
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In this episode of the CoachCast, host Dirk Friel sits down with Kristen Arnold, a registered dietitian, elite cycling coach, and former pro racer, to unpack the complex relationship endurance athletes often have with food and body image. Drawing from her coaching and clinical experience, Kristen explores how disordered eating patterns can quietly surface in training environments that overemphasize being lean, disciplined, or perfo...
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In this episode, Dirk Friel talks with Alex Martin, a former professional motocross and supercross racer who spent over 15 years competing at the highest level, earning podiums and top-five finishes. After retiring from racing as a pro, Alex leaned into his passion for training and performance, co-founding Troll Training. His coaching company blends motocross performance with endurance sports methodologies. Alex shares his journey...
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Matt Dixon shares his clear and simple approach to coaching, emphasizing the importance of purpose, consistency, and developing foundational habits over chasing the latest trends or technologies. Whether you're an ambitious amateur or a seasoned pro, this episode has valuable takeaways to optimize your training and life balance. Matt is the founder and CEO of Purple Patch Fitness, a coaching company that caters to endurance athlet...
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We're diving deep into the world of professional cycling camps as we hear first-hand from some of the leading coaches and nutritionists in pro cycling. Reporting from the picturesque coastal climbs of the Costa Blanca in Spain, our host, Dirk Friel, brings you insights from performance coaches like Lieselot Decroix and Mattia Michelusi, who reveal the critical training techniques employed to enhance rider performance. Learn how p...
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In this episode of the TrainingPeaks CoachCast, we sit down with Fergus Crawley, the co-founder and head coach of Omnia Performance, to look into the world of hybrid athletes. Hybrid training, a blend of strength and endurance disciplines, challenges the traditional boundaries of athletic training. Fergus draws from his rich background in rugby, powerlifting, triathlons, and concurrent training to explain how athletes can effective...
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Professional runner and running coach Nell Rojas shares her insights into racing and coaching athletes for marathons, including the Boston Marathon, using a balance of art and science. She attended Northern Arizona University, where she studied exercise science and competed in cross country and track. Nell ran her first marathon in 2018 and became the top American finisher in the Boston Marathon in 2021 and 2022. Additionally, she...
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Scott Johnston, co-author of "Training for the New Alpinism" and "Training for the Uphill Athlete," shares insights on recovery strategies for ultramarathon runners in this new podcast episode. Johnston emphasizes the critical balance between rest and performance, outlining how factors like central nervous system fatigue, motivation, and age influence post-race recovery. The conversation highlights actionable strategies, including ...
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Listen in as indieVelo creator George Gilbert and TrainingPeaks president Lee Gerakos break down the reasoning behind the acquisition of the virtual riding platform, now named TrainingPeaks Virtual, the opportunities for coaches and athletes and how the ethos of credible virtual racing is a part of the DNA of the merger.  They share with Dirk the importance of community feedback in shaping the platform's development and commitment ...
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Gale Bernhardt's insights on effective coaching, balancing technology with human touch, setting long-term goals and tips for aspiring coaches. With over 35 years of coaching experience, Gale Bernhardt has guided Olympians and World Championship athletes and played pivotal roles as the USA Triathlon Olympic and Pan American Games Triathlon coach. She shares her incredible journey from a mechanical engineering background to becoming ...
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Understand the essentials of athlete fueling, including RED-S and the importance of tailored nutrition plans, with sports dietician Kylee Van Horn. Kylee Van Horn, CEO of Fly Nutrition, specializes in helping athletes optimize their performance and manage eating disorders, including RED-S (relative energy deficiency in sport). She's also an ultrarunner and running coach based in Colorado, looking to simplify nutrition for athletes ...
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Heart rate variability (HRV) is unique to each athlete. Learn how to effectively measure and use HRV data alongside subjective feedback to optimize your training and recovery. Our guest for episode 10 is Marco Altini, a scientist, app developer and expert in using data from wearable devices to optimize health and performance. Many will recognize his name from the app HRV4Training, which integrates with TrainingPeaks. Marco's backg...
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Explore insights from top coaches Ryan Bolton and Erin Carson on preparing U.S.A. triathletes for the 2024 Olympic Triathlon competitions and, in one instance, the individual time trial in cycling, through coaching collaboration and training techniques. In this episode, Ryan Bolton and Erin Carson discuss the details of preparing athletes for the 2024 U.S. Olympic Triathlon team in Paris. Ryan Bolton, Director of High Performance f...
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In this special episode for the Tour de France, Iñigo San Millán, a performance coach for UAE Team Emirates, shares his expertise on how race-day nutrition is meticulously planned and adjusted using race data from TrainingPeaks. We'll discuss the critical differences in fueling demands for various stages of the Tour, the importance of individualized nutrition strategies, and why maintaining weight and muscle health is crucial for r...
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In this special episode, we explore the insights of Amine Issa, Ph.D., on the intersection of gaming and numerous disciplines, such as esports, Formula 1, and even the military. Amine has spent 25 years obsessively playing video games and even competed professionally. He spent five years researching the extremes of human performance at the Mayo Clinic. His findings help develop new technology and techniques to assess human-integrat...
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In this episode, we sit down with John Wakefield, the managing director of Science to Sport and performance coach with the Bora-hansgrohe World Tour cycling team. John, from Cape Town, South Africa, shares his insights from years of coaching and an advanced training facility in Girona, Spain. Understand why recovery is the key to progression and how ignoring it can impede an athlete's performance, no matter their level. John believ...
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Björn Geesman is a German-based sports scientist and coach. He is also the CEO of HYCYS coaching company and co-founder of power & pace. He works with pro triathletes Patrick Lange and Kat Matthews, among other big names in endurance sports.  In this episode, Dirk and Björn dive into everything from wind tunnel testing tunnels and bike selection based on data to the importance of sports psychology to his potentially controversial a...
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Dr. Will O'Connor takes us through the nuances of using running power in training. Will and Dirk get into the scientific side of power meters, discuss the accuracy and data consistency from devices like Stryd and other wearables, and learn how to use critical power zones to break down the metabolic costs of running variable terrain. Will also touches on some of the lessons in his Fundamentals of Running Power TrainingPeaks Universi...
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