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Triathlon · CH
IRONMAN Switzerland Thun
IRONMAN
Race day
4 July 2027
Thun, Bern
Choose your line
Distances & routes
Course files are for planning. The organiser remains the source of truth for last-minute changes.
About the race
What to expect
A scenic full-distance race with a Lake Thun swim, a hilly alpine bike course and a flat run across the town’s bridges.