Jul 05, 2026
Distance — 3.8 km 180 km 42.2 km
Type — Multisports
-86 days remaining
These values represent the 3-year monthly averages for July in Thun.
Learn more about the host city, Thun.
Thun is a small city in the Bernese Highlands of Bern Canton, Switzerland. Its surface area is 21.7 km², and it had about 44,000 inhabitants in 2017.
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Watch highlights and course previews from previous years.
Read what other athletes have to say about their experience at the IRONMAN Switzerland Thun.
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