Over 250,000 race registrations across IRONMAN and IRONMAN 70.3 events in a season marked by a 10% year-on-year increase in first timers and record numbers of younger athletes joining the sport TAMPA, Fla. (December 15, 2025) – As the 2025 IRONMAN® and IRONMAN® 70.3® season comes to a close following an incredible year of racing that included 148 events and some of the most exciting IRONMAN World Championship and IRONMAN 70.3 World Championship races in Nice, France, and Kona, Hawai`i, and Marbella, Spain, IRONMAN is happy to unveil its 2025 global participation data, showcasing a dynamic shift in athlete demographics, record-breaking race registrations, and strategic expansion into emerging markets. With over 250,000 registrations that includes a 10% year-on-year increase of first timers across IRONMAN® and IRONMAN® 70.3® races this year, the sport continues [...]