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INFERNO - 15 & 16 August 2025

Welcome to one of the most beautiful and spectacular endurance events in the Swiss mountains.

Inferno – the ultimate experience!


Wettkampf

Events

Events, starting & ranking lists

Online registration!

Online registration!

Starting on 11 November 2024 11:11h

Service

Service

The OC, FAQ, weather and more

News & Media

News & Media

News, downloads, galleries & more

Sponsoren & Partner

Sponsors & partners

Many thanks to all supporters!

Contact

INFERNO Rennbüro
Postfach
3825 Mürren

info@inferno.ch
Tel. +41 33 856 86 80
IBAN: CH03 0079 0042 3917 6381 2

News

Acutal topics around the INFERNO Triathlon

Registration 2024 open!

Registration 2024 open!

The registration for all INFERNO events 2024 is now online!

INFERNO half marathon and relay race 2024: First pictures!

INFERNO half marathon and relay race 2024: First pictures!

Many thanks to our photographers for their commitment and the great pictures!

Results and final report 2024 (german)

Results and final report 2024 (german)

31st INFERNO Half Marathon in wet and nasty conditions

Information from Datasport on re-registrations / late registrations for the half marathon

Information from Datasport on re-registrations / late registrations for the half marathon

Read here the official information from Datasport regarding re-registrations / late registrations for the half marathon.

Cancellation of the Inferno Triathlon / Inferno half marathon takes place

Cancellation of the Inferno Triathlon / Inferno half marathon takes place

It is with great regret that we have to cancel this year's Inferno Triathlon including the Team Trophy / Couples on Saturday, 17 August and the Fun Triathlon on Friday evening, 16 August.
Despite the cancellation of the triathlon, we would like to inform you that the Inferno Half Marathon including the relay race will take place as planned.

Athletes and competition information

Athletes and competition information

The athletes and competition information 2024 is now ready to download!
Please also note the information on the roadworks on the racing bike route and the route neutralisation in Grindelwald!