Mammoth Bar Trail Runs
Mammoth Bar Trail Runs logo

Mammoth Bar Trail Runs

Auburn, California, United States
Sep 06, 2026
Trail running

About this race

"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!

Pick your distance

Trail running

Half Marathon

Elevation gain is approximately 4,300 ft. Aid Stations: Castle Rock Aid: mile 2 F.D.L. Aid: mile 5 Castle Rock Aid: mile 11.3

Sep 06, 2026 Half-Marathon 8:00 AM
$69.00
Closed

10K

Elevation gain is approximately 1,900 ft. Aid Stations: Castle Rock Aid: mile 2 Castle Rock Aid: mile 4.5

Sep 06, 2026 10K 8:30 AM
$49.00
Closed

Typical race-day weather

Based on 1 year of historical conditions on this event's race dates in Auburn.

Temp (°C)
Minimum temperature (race-day average) 12.9° / Maximum temperature (race-day average) 28.3°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 12.9° / Maximum feels like — heat index / wind chill (race-day average) 28.8°
Wind (km/h)
Average wind speed (race-day average)
10.4
Precip (mm)
Average precipitation (race-day average)
0.0mm
Humidity
Average relative humidity (race-day average)
50.0%

About Auburn

Mammoth Bar Trail Runs takes place in Auburn, California, United States. The local timezone is America/Los_Angeles.

Reviews

Done this event?

If you've participated in this event, share your experience with other runners

Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

Other races in the area