Crux Winter Ultra Run

Zell, Switzerland • 1 Mar 2025

The CRUX Winter Ultra Run is an exciting winter running event held in Switzerland, featuring two challenging courses: the CRUX Contessa at 28 km with 1,500 meters of elevation gain, and the CRUX Count at 56 km with 2,300 meters of elevation gain. This event is designed for endurance athletes looking to test their limits in a stunning winter landscape. Participants can expect a unique experience that combines the thrill of ultra running with the beauty of the Swiss winter. The next edition of the race is scheduled for March 1, 2025. Visit the organization's website for the most recent information.

Race information

56 km
2300 m+
Crux Count
28 km
1500 m+
Crux Contessa
Visit the organization's website for the most recent information.
Trail runs nearby

The Hallwilerseelauf will take place in Beinwil am See on Saturday 11 October 2025. You can run between 5 and 21 kilometers.

The Laui-Trail-Run will take place in Reichenburg on Saturday 25 October 2025. You can run between 12 and 21 kilometers.

The Herbstlauf Wila will take place in Wila on Saturday 25 October 2025. You can run 11 kilometers.

The Rundweg Winterthur Ultra will take place in Seuzach on Sunday 26 October 2025. You can run between 42 and 59 kilometers.

The Wiler-Herbstlauf will take place in Wil on Sunday 2 November 2025. You can run between 10 and 17 kilometers.

The Kyburglauf will take place in Illnau-Effretikon on Saturday 8 November 2025. You can run between 5 and 21 kilometers.

UTMB Index