The Race takes place in Biel-Bienne (Siwtzerland) and is one of the oldest 100km events in the world,which began in 1959. The Ultra marathon is also a part of the European Ultramarathon Cup.

It event also includes a night marathon, half night marathon, Nordic walking. Its also possible to run the 100k in teams of 2 or 5 people.

The 100km is 1 big 100k loop and that the start is on 10pm (so you run through the night).

September 02, 2021 - September 03, 2021
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Night 11.2 km
September 02, 2021 (Thursday) - 21:15
11.2 kilometers
80 meters
Solo Flat Night Road
Night 1/2 Marathon
September 02, 2021 (Thursday) - 21:30
21.1 kilometers
Solo Flat Night Road
100km run Biel
September 03, 2021 (Friday) - 22:00
100 kilometers
150 meters
Solo Flat Night Road
100km run Biel Relay
September 03, 2021 (Friday) - 23:30
100 kilometers
400 meters
Relay ( 5 ) Flat Night Road
The information about this event is based on data from the official website or may be provided by the organiser. Before booking flights or accommodation check the event's website and social media. If this listing is not up-to-date, please let us know at [email protected]


Biel Running days
News Results

Results: Biel Running Days

For the 57th the city of Biel in Switzerland hosted the Biel Running Days. The event includes one of the oldests 100km in the world, a marathon and a half marathon. All races are run at night. 100km Results In the iconinc 100km race the victory went to Bernhard Eggenschwiler with a time of 7:02.42. He becomes the new 100km Swiss
Biel Running days
Jean-Loup Fenaux | 15 Jun 2015 15:05
Biel Running days
Focus on a race Interview

A night run at the 100km run Biel

Hello, on June 14th 2014, you’ll be organizing the 100km run Biel. Can you tell us where it is located? Biel is in the west part of Switzerland, located between 3 large lakes. The run begins in Biel and continues in one big loop of 100 km (all the way to Solothurn), and which brings you then back to Biel city
Biel Running days
Jean-Loup Fenaux | 05 May 2014 03:00




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