Kristian Blummenfelt and Gustav Iden prepare for IRONMAN Kona

Norwegian triathletes Kristian Blummenfelt and Gustav Iden are conducting intensive training sessions ahead of the IRONMAN World Championship in Kona. Their recent regimen included a 180 km cycling session at an average speed of 41.8 km/h, followed by significant running workouts.

On Sunday, the athletes completed a 90 km bike ride at 41.5 km/h, followed by a 40 km transition run. Blummenfelt maintained an average run pace of approximately 4:45 per mile, while Iden ran slightly slower between 3:35 and 3:40 per mile. They were accompanied by training partner Marius Bjerkeset.

Blummenfelt, the reigning IRONMAN Pro Series champion, has focused on managing training volume and intensity to peak for the October championship. His recent season has included notable performances at IRONMAN 70.3 Geelong, Oceanside, and Texas, as well as a runner-up finish at the IRONMAN 70.3 World Championship in Nice.