IRONMAN Switzerland Thun 2027
July 4, 2027
Thun, CH
About
IRONMAN Switzerland Thun is a full-distance triathlon set against Thun's pristine lake waters, majestic mountains, and historic bridges, featuring a lake swim, a hilly bike course through the Swiss Alps, and a flat run. It is a IRONMAN World Championship qualifier and was voted the Athletes' Choice Award winner for 3rd Best IRONMAN Bike Course Globally (2025).
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Why this race
- Listed on the official IRONMAN, 70.3 and 5150 calendar.
The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.
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