Bison Ultra-Trail took place on Sat, Oct 3, 2026 in Supraśl, Poland. The main route is 106 km.
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- Date
- Sat, Oct 3, 2026
- Start
- Supraśl 🇵🇱
- Distance
- 106 km
- Climbing
- 1,257 m
- Level
- Open to all
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Start freeBison Ultra-Trail is a trail running event held in Supraśl, Poland, featuring multiple distances winding through the forested paths and rolling terrain of the Knyszyńska Primeval Forest.
What this race demands
The Bison Ultra-Trail 106 km course demands sustained cardiovascular endurance and muscular durability over a very long duration on forested rolling terrain.
Aerobic Endurance
Covering 106 kilometers requires maintaining an efficient low-to-moderate aerobic output for many consecutive hours.
Muscular Durability
Repeated impacts and rolling terrain over an ultra-distance demand high resistance to eccentric muscle fatigue in the lower limbs.
Tactical Pacing
The lengthy distance necessitates disciplined energy and pace management from the start to prevent early metabolic depletion.
Given the extended duration well beyond 2.5 hours, athletes should target an intake of 60 to 90 grams of carbohydrates per hour to maintain performance.
Estimated finish times
Estimates by level, not promises. Your own number depends on your fitness on the day.
Frequently asked questions
When is Bison Ultra-Trail?
Bison Ultra-Trail took place on Sat, Oct 3, 2026 in Supraśl, Poland.
How long is Bison Ultra-Trail?
The main route is 106 km.
What does Bison Ultra-Trail demand?
The Bison Ultra-Trail 106 km course demands sustained cardiovascular endurance and muscular durability over a very long duration on forested rolling terrain.
How much climbing does Bison Ultra-Trail have?
Bison Ultra-Trail has 1,257 m of climbing.
Who is Bison Ultra-Trail for?
Bison Ultra-Trail is open to all participants.
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