Kristian Blummenfelt

Kristian Blummenfelt (born 14 February 1994) is a Norwegian triathlete, Olympic and world champion, competing at short course (sprint and standard distance), 70.3 (half-Ironman) and 140.6 (Ironman) distances. He won the gold medal in the men's triathlon at the 2020 Summer Olympics held in Tokyo, Japan. He is the 2021 Ironman World Champion at the first World Championship held at Saint George, Utah on May 7, 2022. On 5 June 2022, Blummenfelt became the first person to complete an Ironman-distance triathlon in under seven hours during the Sub7 Sub8 Project at the Lausitzring race track in Germany. Blummenfelt set a new unofficial world record for the Ironman-distance triathlon, in a time of 6:44:25. In late January 2026, he achieved the highest V̇O2 max ever tested with 101.1 mL/(kg·min).