Ultra Bielersee

Nidau, Switzerland

FRI7MAY2027

Start 12:00In 199 days

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Lakeside Family friendly

At a glance

Ultra Bielersee 2027 takes place on 7 May 2027 – 8 May 2027 in Nidau, Switzerland. Distances: 200 km, 160 km, 120 km, 50 km, 21.098 km. First start at 09:00.

Date: Friday, 7 May 2027 – Saturday, 8 May 2027
Location: Nidau, Switzerland
Distances: Bielersee XXL 200 km · Competitive
Bielersee XXL 160 km · Competitive
Bielersee XXL 120 km · Competitive
Bielersee-Stafette · 50 km · Competitive
Ultra Bielersee 50 km · Competitive
Hagneckkanal-Halbmarathon · 21.098 km · Competitive
Start times: Bielersee XXL 200 km 12:00 · Bielersee XXL 160 km 12:00 · Bielersee XXL 120 km 12:00 · Bielersee-Stafette 09:00 · Ultra Bielersee 50 km 09:00 · Hagneckkanal-Halbmarathon 09:00
Registration: Registration open · Register now ↗
Official website: ultrabielersee.ch ↗

Last updated: 19 October 2026

The race

The Lake Biel races return on the weekend of 8 May 2027. The main race, the Ultra Bielersee, is a 50 km loop of the lake with a detour onto St. Peter's Island, billed as Switzerland's only flat 50K.

On Saturday 8 May at 9:00 the Hagneckkanal half marathon, the 2–5 runner relay and the 40 km walk also start. For those who want more, the XXL courses of 120, 160 and 200 km start on Friday 7 May at 12:00.