A stunning autumn 100-miler through Utah's Wasatch and Bear River Ranges to Bear Lake
The Bear 100 Mile Endurance Run takes place on September 25, 2026 in Logan, UT.
The Bear 100 Mile Endurance Run is 100 miles with 22,820 ft of elevation gain.
Yes — entry to The Bear 100 Mile Endurance Run is decided by lottery.
Yes, crew is allowed at The Bear 100 Mile Endurance Run. Sign in to Trailrace to see crew access for each aid station.
Yes, pacers are allowed at The Bear 100 Mile Endurance Run.
Yes, The Bear 100 Mile Endurance Run allows drop bags.
The Bear 100 Mile Endurance Run has 13 aid stations along the course.
The overall cutoff for The Bear 100 Mile Endurance Run is 36h. Per-aid-station cutoffs are available to signed-in Trailrace members.
Other trail races within 88 miles
A point-to-point 100-miler traversing the Wasatch and Bear River Ranges from Logan, Utah to Fish Haven, Idaho at Bear Lake. The course winds through the Wasatch-Cache National Forest on 70% singletrack trail with nearly 23,000 feet of climbing. Runners pass through forests of pine, brilliant red maples, and quaking aspens turning gold in late September, ranging from 4,800 feet to over 9,000 feet in elevation.
Some ultra experience recommended
Logan, UT, United StatesSeptember 25, 2026
300 general lottery spots plus 300 waitlist positions. 50 reserved entries for aid station captains, sponsors, and special consideration. Veterans (previous finishers) receive roughly 2x the drawing odds. Most applicants get in within 1-2 years.
Must complete a 50 Mile race or longer within the qualification window
Qualifying window: December 01, 2021 – December 01, 2025
Must have completed a 50-miler in under 16 hours, or any official 100K, 100-mile, or 200-mile race under cutoff within the qualifying window. The Tushar 70K also qualifies.
8 hours of trail work or volunteer service required (not crewing or pacing). Work must be completed between September 2025 and September 15, 2026. Alternatively, a $100 fee can be paid to have someone complete trail work on the runner's behalf.
| Location | Mile | Elevation |
|---|---|---|
Start Start | 0.0 | 4,852 ft |
Spring Water Resource | 8.8 | 8,015 ft |
Logan Peak Aid Station | 10.5 | 8,537 ft |
Spring Water Resource | 12.5 | 8,002 ft |
Leatham Hollow Aid Station | 19.5 | 5,141 ft |
Upper Richards Hollow Aid Station | 28.0 | 7,493 ft |
Water Only Aid Station | 30.8 | 7,441 ft |
Right Hand Fork Aid Station | 37.0 | 5,551 ft |
Temple Fork Aid Station | 45.0 | 5,837 ft |
Tony Grove Aid Station | 51.0 | 7,979 ft |
Franklin Basin Aid Station | 61.0 | 6,716 ft |
Logan River Aid Station | 69.0 | 7,280 ft |
Beaver Mountain Aid Station | 75.1 | 7,270 ft |
Gibson Basin Aid Station | 80.5 | 8,291 ft |
Beaver Creek Campground Aid Station | 84.7 | 7,792 ft |
Ranger Dip Aid Station | 91.8 | 8,428 ft |
Finish - Fish Haven ID Finish | 100.0 | 6,079 ft |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
No dogs allowed at the race, aid stations, or finish area due to health department regulations around food service.
Late September in Utah's northern mountains brings crisp autumn conditions. Daytime temperatures at lower elevations (5,000 ft) may reach the 50s-60s°F, while higher elevations near 9,000 feet can see temperatures in the 30s-40s°F. Overnight lows often drop into the 20s-30s°F. Rain is possible, and early-season snow can occur at the highest points. Runners should prepare for a wide temperature range across the 36-hour window.
No required gear specified
No recommended gear specified
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