Mammoth Bar Trail Runs
Race Date
Sep 6, 2026
Location
Auburn, CA
The Experience
"Standard distance. Mammoth vert." Mammoth Bar Trail Runs take place on the single-track and double-track trails of Mammoth Bar OHV Area in Auburn State Recreation Area, in the Endurance Capital of Auburn, California. Mammoth Bar is known for its steep climbs and descents, as well as it's beautiful American River Canyon views. These are not your average courses. You get more vert per dollar! Yay!
Logistics
Race Day
Sunday, September 6, 2026
Start Time
8:00 AM
Giveaway
T-Shirt
Start Location
Old Foresthill Rd, Auburn, CA, 95603
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Also Offers
Historical Performance
Median Finish
3:43:04
17:02/mi
Winning Time
2:56:11
13:27/mi
Finishers (2025)
22
States Represented
5 / 50
Gender Split
Finish Time Distribution
FASTER 25%
3:22:47
MEDIAN
3:43:04
SLOWER 25%
4:10:27
Explore More Journeys
Can't make it to Auburn? Discover other experiences that match your running style.
Search All Races
Never miss
another
finish line.
Join our community of 350K+ half marathon runners. Get notified about new races, registration opens, and early bird pricing across all 50 states.