The Bear 100
A classic Rocky Mountain Slam 100-miler: point-to-point across the Bear River Range from Utah into Idaho, ~22,000ft of climbing at peak autumn colour, cold high nights, 36h cutoff. Date approximate (last weekend of September).
24 September 2027Logan, Utah → Fish Haven, Idaho (Bear River Range)161km
Get your The Bear 100 planA classic Rocky Mountain Slam 100-miler: point-to-point across the Bear River Range from Utah into Idaho, ~22,000ft of climbing at peak autumn colour, cold high nights, 36h cutoff. Date approximate (last weekend of September).
What makes it hard
- Night riding — pacing and kit in the dark are part of the performance
- 6700m of total climbing
- Technical terrain: Rocky Mountain singletrack, jeep road and meadow; autumn colour, big climbs and descents, cold nights
How BEINA trains you for it
BEINA reads the exact demands of The Bear 100 — trail ultra, 161km, Rocky Mountain singletrack, jeep road and meadow; autumn colour, big climbs and descents, cold nights — and builds your plan around them. Race-day predictions and AI coaching remove the guesswork so you arrive ready.