See Trail Marathon Brienzersee

Bönigen, Switzerland • 3 May 2025

The See Trail Marathon Brienzersee is a unique trail running event set around the picturesque Brienzersee in Switzerland. Participants can choose between a full marathon (42.195 km) and a half marathon (21 km), with varying elevation gains that offer stunning views of the lake. The event emphasizes a back-to-basics approach, encouraging runners to estimate their finish times without the pressure of clocks. The marathon features a team relay option and promotes self-sufficiency with a focus on nature. The event fosters a community spirit, culminating in a gathering for results and shared experiences post-race. Visit the organization's website for the most recent information.

Race information

42 km
2-Er Team
42 km
1700 m+
Trail-Marathon
21 km
800 m+
Trail-Halbmarathon
Visit the organization's website for the most recent information.
Trail runs nearby

The Napf-Marathon will take place in Trubschachen on Sunday 12 October 2025. You can run between 20 and 42 kilometers.

The Farnerensturm will take place in Schüpfheim on Sunday 19 October 2025. You can run 8 kilometers.

The GurtenClassic will take place in Köniz on Sunday 26 October 2025. You can run 15 kilometers.

The Thorberg-Trail will take place in Krauchthal on Saturday 28 March 2026. You can run between 5 and 13 kilometers.

The Jungfrau-Lauberhorn Run will take place in Lauterbrunnen on Sunday 29 March 2026.

The Urschweizer Abendtrail - Nidwalden will take place in Stans on Thursday 7 May 2026. You can run 10 kilometers.