Bison Ultra-Trail

Supraśl, Poland • 4 Oct 2025

The Bison Ultra-Trail is an exciting running event that offers various trail distances, including 12 km, 18 km, 30 km, 50 km, 70 km, and 100 km options. It is designed for both seasoned ultra-runners and newcomers, providing a unique opportunity to explore beautiful landscapes. The event emphasizes the spirit of adventure and community, encouraging participants to immerse themselves in nature while challenging their limits. Additionally, there are special categories for children, promoting fitness and outdoor activities from a young age. The Bison Ultra-Trail is a celebration of endurance, nature, and camaraderie among runners. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K
100 km
Bison Ultra-Trail® 100
70 km
Bison Ultra-Trail® 70
50 km
Bison Ultra-Trail® 50
Visit the organization's website for the most recent information.
Trail runs nearby

The Pietrasze Cross Country 5k will take place in Białystok on Sunday 23 March 2025. You can run 6 kilometers.

The Kresowe Trail will take place in Białystok on Sunday 13 April 2025. You can run between 5 and 13 kilometers.

The Kresowe Trail - Tykocin will take place in Tykocin on Sunday 4 May 2025. You can run between 8 and 18 kilometers.

The Kresowe Trail - WASILKÓW will take place in Studzianki on Sunday 29 June 2025. You can run between 7 and 18 kilometers.

The Kresowe Trail - LETNIKI will take place in Letniki on Sunday 7 September 2025. You can run between 7 and 17 kilometers.

The Kresowe Trail - Michałowo will take place in Michałowo on Saturday 27 September 2025. You can run between 8 and 20 kilometers.