IRONMAN Switzerland Thun
- Date
- July 4, 2027
- Location
- Thun, Switzerland
- Race type
- IRONMAN — 140.6 mi (226 km)
- Swim
- Lake
- Bike course
- Hilly
- Run course
- Flat
- Avg. air temperature
- 68F/20C
- Avg. water temperature
- 63F/17C
- Nearest airport
- Bern Airport (BRN)
Official race page on ironman.com
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FAQ
When is IRONMAN Switzerland Thun?
IRONMAN Switzerland Thun is scheduled for July 4, 2027.
Where is IRONMAN Switzerland Thun?
IRONMAN Switzerland Thun is held in Thun, Switzerland (Europe).
What is the course like at IRONMAN Switzerland Thun?
IRONMAN Switzerland Thun is an IRONMAN race (140.6 mi (226 km)) with a lake swim, a hilly bike course and a flat run course.
Is IRONMAN Switzerland Thun wetsuit legal?
The average water temperature is 63°F (17°C), which is within the age-group wetsuit-legal range (up to and including 76.1°F / 24.5°C) under the 2026 IRONMAN Competition Rules. The official call is made from the water temperature measured on race morning.
What is the nearest airport to IRONMAN Switzerland Thun?
The nearest airport listed for IRONMAN Switzerland Thun is Bern Airport (BRN).
How do I register for IRONMAN Switzerland Thun?
Registration is handled on the official IRONMAN race page: https://www.ironman.com/races/im-switzerland