#ICYMI - Ironman Triathlon, with Mark Allen

In case you missed this episode on the Playing with Science channel…. Swim… Bike… Run… Science! Hosts Gary O’Reilly and Chuck Nice enter the world of endurance as we explore Ironman Triathlons alongside Mark Allen, voted ESPN’s Greatest Endurance Athlete of All Time, and exercise scientist Samuele Marcora. Photo Courtesy of Mark Allen.