
INFERNO Trailrun
This trailrun is suitable for trail beginners and for everyone to enjoy. At 8.3 km and 390 meters in altitude, the route is short and spicy. It includes everything a runner's heart desires. On the first kilometer, the great atmosphere carries you through the picturesque village of Mürren. After the first ascent over root trails, you are rewarded with a magnificent view of the Eiger, Mönch and Jungfrau.
Thanks to the refreshments, you run towards Blumental. From there, you reach the panoramic trail, where you can enjoy the descent with breathtaking views. Before you are celebrated at the finish, you run through Mürren again.
INFERNO Kids- & Family-Run
From the Kids-Run (500 meters), U12-Run (1,300 meters) to U16-Run (2,600 meters), the running course leads through picturesque Mürren - with a guaranteed great atmosphere on and off the course.
The Kids Run and the U12 category can also be completed (run) as a family with one adult and one or two children.
Highlights
Date: August 17, 2025
Location: Murren, Bernese Oberland, Switzerland
Scenery: Start an Finish at Murren.


Program and Timetable
Get an overview of the Sunday program.
Sunday, August 17, 2025
08:00 Distribution of start numbers at the Mürren sports center. Late registration possible up to 20 minutes before the start.
09:00 Catering opens
from 09:15 Start Kids-/U12-/U16-Run
10:30 Award ceremony Kids-/U12-/U16-Run
11:00 Start Trailrun
12:35 Award ceremony Trailrun
14:00 Catering closes - end of event
Detailed starting blocks
Kids-/U12-/U16-Run
09:15 Start Kids-Run
09:17 Start Kids-Run Family 1&2
09:35 Start U12-Run
09:37 Start U12-Run Family 1&2
10:00 Start U16-Run
Trailrun
11:00 Start Trailrun
12:30 Final finish line Trailrun
Categories & Starting fees
Have you always wanted to experience the INFERNO with your family? Or do your children share your enthusiasm for running and want to be in the thick of it instead of cheering you on from the sidelines?
We also offer you, as a running beginner, a trailrun if you want to get a breath of fresh and definitely breathtaking running event air. The trailrun is also suitable for all professionals who want to complete a short and spicy enjoyable trail on Sunday - as a weekend highlight and perfect end of the week.
Kids-Run
Juniors born 2018 and younger
Family 1 One child born 2018 and younger & 1 adult
Family 2 Two children born 2018 and younger & 1 adult
U12- / U16-Run
U12 Juniors born 2014 and younger
U12 Family 1 One child born 2014 and younger & 1 adult
U12 Family 2 Two children born 2014 and younger & 1 adult
U16 Juniors born 2010 und jünger
Trailrun
Juniors born 2012 - 2008
Adults born 2007 - 1977
Seniors born 1976 - 1925
Entry fee
Kids-Run
CHF 5.00 Juniors
CHF 19.00 Family 1
CHF 24.00 Family 2
The entry fee includes: Medal, return ticket Schilthornbahn, ice cream and Datasport certificate.
U12-/U16-Run
CHF 14.00 U12 Juniors
CHF 24.00 U12 Family 1
CHF 29.00 U12 Family 2
CHF 25.00 U16 Juniors
The entry fee includes: Medal, return ticket Schilthornbahn, ice cream and Datasport certificate.
Trailrun
CHF 45.00 all categories (Juniors, Adults, Seniors)
The entry fee includes: Finisher T-Shirt, return ticket Schilthornbahn and Datasport certificate.
Here you will find the most important questions and answers about the new running events on Sunday.
Arrival
Participants receive a return ticket for the Schilthorn cable car included in the entry fee, allowing them to travel in comfort from Stechelberg to Mürren on a spectacular cable car ride.
Spectators can also enjoy this unique cable car ride. Tickets for the Schilthorn cable car can be purchased online here or at the valley station in Stechelberg.
GPS-Data of the route
For the trailrun GPS-Data have a look here: downloads.
Refreshments
For the Kids- U12-, U16- and Trailrun, refreshments will be provided in the finish area.
In addition, there is a refreshment post for the trailrun after 5 km on the Höhenlücke.
Start / finish area
Start and finish are at the sports center in Mürren.
Exception: The Kids-Run starts at the fountain. The finish is also at the sports center.