The 2025 edition has been announced. The event will take place on 09-10 May, 2025 (Fri - Sat). The details about this event may change. Please check the official website for possible updates.

Bielersee Ultra-Marathon

Nidau bei Biel, Berne, Switzerland
09-10 May, 2025 (Fri - Sat)

Running

21.1 km, 50 km, 120 km, 100 mi, 200 km

Walking

40 km

Races offered by this event

You have 25 weeks to prepare

Bielersee XXL 100 Meilen

09 May, 2025 (Fri)
Running
100 mi
Solo
On site
Road

Bielersee XXL 200 km

09 May, 2025 (Fri)
Running
200 km
Solo
On site
Road

Bielersee XXL 120 km

09 May, 2025 (Fri)
Running
120 km
Solo
On site
Road

Bielersee Light 40 km Walking

10 May, 2025 (Sat)
Walking
40 km
Solo
On site
Road
Timed

Bielersee-Stafette

10 May, 2025 (Sat)
Running
50 km
Relay
On site
Road

Hagneckkanal Halbmarathon

10 May, 2025 (Sat)
Running
21.1 km
Solo
On site
Road
Timed

Ultra Bielersee 50 km

10 May, 2025 (Sat)
Running
50 km
Solo
On site
Road

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