Swimmers prepare for the start of the IRONMAN World Championships. (Photo by Tom Pennington/Getty Images for IRONMAN)

IRONMAN World Championship (Men)

The IRONMAN World Championship in Kona, Hawai’i will host the very best male professional and age group triathletes from around the world. Their 140.6-mile journey […]

Athletes make their way into the water for the women's pro swim start during the IRONMAN World Championships. (Photo by Tom Pennington/Getty Images for IRONMAN)

IRONMAN World Championship (Women)

The IRONMAN World Championship in Kailua-Kona, Hawai`i will host the very best female professional and age group triathletes from around the world. Their 140.6-mile journey will present the ultimate test of body, mind and spirit.

Cyclist surrounded by a large crowd during Challenge Roth. Image via picdrop.com

Challenge Roth

About 3,400 individual participants and 650 relay teams from more than 80 nations, a high-class field of participants and around 260,000 spectators along the race course and at the triathlon stadium: This is DATEV Challenge Roth, the world’s biggest long-distance triathlon event.