Welcome to one of the most beautiful and spectacular endurance competitions in the Swiss mountains.
Inferno – The ultimate experience!
INFERNO Triathlon – 18. & 19. August 2023
https://www.inferno.ch/de/Willkommen
https://www.inferno.ch/de/News-Media/Newsroom/Newsmeldung?newsid=82
INFERNO Triathlon – August 16 & 17, 2024
https://www.inferno.ch/de/Willkommen
https://www.instagram.com/infernotriathlon/
Registration: https://onreg.datasport.com/de/inferno-triathlon-2024

15. – 17. August 2025
Inferno Triathlon
Welcome to one of the most beautiful and spectacular endurance competitions in the Swiss mountains. INFERNO – The ultimate experience!
With 5,500 metres of ascent, the INFERNO Triathlon is one of the toughest in the world and is counted among the classics. The incomparable nature experience in the unique mountain world of the Bernese Oberland and the family atmosphere make the INFERNO one of the most impressive competitions. Sport in front of the most beautiful backdrop in the world: Eiger, Mönch and Jungfrau!
Triathlon Half marathon & relay Team Trophy & Couples Trail- & Family-Run
August 16, 2025 – Race cancellation Schilthorn mountain run Triathlon Singles
Race cancellation Schilthorn mountain run Triathlon Singles
Due to a severe thunderstorm cell over the Schilthorn, the race from Mürren uphill must be cancelled immediately for safety reasons.

The athletes on the course will be escorted back to Birg, the Allmendhubelbahn and Mürren. Please follow the instructions and get to safety. The green clothing bags from Schilthorn will be transported to Mürren to the Alpine Sports Centre, where they will be ready for collection.
The races still in progress to Mürren will continue and are not affected!
16.08.2025, Kaspar Grünig / OK-Präsident
