Joe Friel

Joe Friel is an American endurance sports coach, author, and co-founder of TrainingPeaks. He is one of the most respected figures in endurance coaching, having trained elite and amateur athletes for over four decades. His book Fast After 50 is a groundbreaking guide for masters athletes, examining how ageing affects performance and offering evidence-based strategies for maintaining speed, power, and endurance beyond fifty. Friel is also the author of the bestselling Training Bible series for cyclists and triathletes. His audiobooks and books are essential resources for endurance athletes and listeners seeking expert, science-backed guidance for training and racing at any age.