Ironman
Ironman (3.8 / 180 / 42.2 km) · Europe
Official website: ironman.com/im-switzerland
Ironman Thun is a full-distance Ironman triathlon in Switzerland, part of the Ironman calendar. The next edition is in July 2027. The course is 3.8 km of swimming, 180 km on the bike and 42.195 km of running.
Climbing adds up to 2036 m, 2004 m on the bike and 32 m on the run, a demanding profile for the distance. The course is described as hilly.
Water temperature is typically around 17 °C, wetsuit territory for almost everyone.
Pacer Quest rates Ironman Thun as Hard: 2036 m of climbing (high). The rating is automatic and compares total climbing for the distance, water temperature and, where results exist, how finishers compare with the average for that distance.
Open the Race Lab to simulate this course with your own swim, bike and run paces. Registration and official details are on the organiser's website.
Also in Switzerland
More Ironman Ironman races
Also raced in July
Other Hard Ironman courses
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