Experience IRONMAN Switzerland: a 3.8 km swim in Lake Thun, a 180 km challenging bike ride through the Swiss Alps, and a 42.2 km run across scenic bridges.
Swim: Lake; Bike: Hilly; Run: Flat; High Air Temp: 81 °F / 27 °C; Low Air Temp: 54 °F / 12 °C; Avg. Water Temp: 63 °F / 17 °C.













