Get access to our most popular YouTube videos, where we cover a broad range of topics: training principles, physiology, the latest sport science research, and much more, usually from our world headquarters in Colorado, and sometimes from the field.
We also produce collaborative videos with featured guests including industry friends and experts.
Trevor Connor and Chris Case break down the concept of durability—the ability to maintain performance deep into a race or training session, even after hours of fatigue.
We react to the 2025 review “Nutritionally Relevant Technological Advancements in Professional Cycling” and give practical takeaways on the most talked-about devices athletes are wearing right now.
What is sports science getting wrong in 2026? In this clip from our 400th Fast Talk episode, Dr. Iñigo Mujika, Dr. Stephen Seiler, and Prof. Louise Burke expose some of the biggest blind spots in sports science.
This YouTube-exclusive discussion looks at a new longevity study that asks a big question: Does exercise intensity matter more than volume for living longer and reducing cardiovascular risk?
A new study challenges the hype around Zone 2 training, but Trevor and Chris explain why the real answer is more nuanced: intensity matters, Zone 2 still has value, and coaches and researchers need to work together to understand both.
Why do some athletes thrive under pain while others break down?
This YouTube-exclusive Fast Chats recap breaks down a new injury study comparing triathletes vs. marathon runners—and the results defy conventional wisdom
Trevor Connor and Chris Case break down the concept of durability—the ability to maintain performance deep into a race or training session, even after hours of fatigue.
What is sports science getting wrong in 2026? In this clip from our 400th Fast Talk episode, Dr. Iñigo Mujika, Dr. Stephen Seiler, and Prof. Louise Burke expose some of the biggest blind spots in sports science.
We react to the 2025 review “Nutritionally Relevant Technological Advancements in Professional Cycling” and give practical takeaways on the most talked-about devices athletes are wearing right now.
For decades, VO2max and time-to-exhaustion dominated endurance research. But world-leading experts now argue that durability and real-world performance tell a much more complete story.
Who is the greatest endurance athlete of all time? In this clip from our 400th Fast Talk episode, world-leading experts Dr. Iñigo Mujika, Dr. Stephen Seiler, and Prof. Louise Burke debate the greatest endurance athlete in history.
In this special Fast Talk milestone episode, three of the world’s leading experts in endurance physiology—Dr. Stephen Seiler, Dr. Iñigo Mujika, and Dr. Louise Burke—discuss the breakthroughs, mistakes, and technological shifts that reshaped how athletes train, recover, fuel, and measure performance.
This YouTube-exclusive discussion looks at a new longevity study that asks a big question: Does exercise intensity matter more than volume for living longer and reducing cardiovascular risk?