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Organiser

Fundacja Białystok Biega

2 events on Gritline

Organiser's websitebisonmtb.plInstagram@bisonultratrail

Upcoming events

Trail

2 - 3 Oct 2027

Bison Ultra-Trail

🇵🇱 Supraśl10 to 100 km

3 Oct 2027

Bison MTB

🇵🇱 Supraśl17 to 109 km