Ironman 70.3 Switzerland

Key facts

Longest distance

113 km

Participant limit

2,500

About this event

A half Ironman triathlon event held in Rapperswil-Jona, Switzerland, featuring 1.9km swimming in Lake Zurich, 90km cycling with 1100mD+ elevation including the famous Witches' Hill climb, and 21.1km running with 61mD+ elevation including the Stairway to Heaven steps. Known for its challenging course through scenic mountain terrain, festive atmosphere with Swiss cowbells, and the historic town of Rapperswil-Jona, nicknamed the city of roses.

Ironman 70.3 Switzerland is a triathlon (half ironman) event in Rapperswil-Jona, Switzerland, held on Monday, 7 June 2027 — a summer event. The longest distance is 113 km.

Entry & registration