Mammoth Bar Trail Runs

Auburn, United States • 6 Sep 2026

Mammoth Bar Trail Runs

The Mammoth Bar Trail Runs take place in Auburn, California. The event offers two race distances: half marathon and 10K.

The courses use the single-track and double-track trails within the Mammoth Bar OHV Area, part of the Auburn State Recreation Area. The area is known for its terrain, which includes steep climbs and descents. Runners can expect views of the American River Canyon. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
6 mi
10k
Visit the organization's website for the most recent information.
Trail runs nearby

A multi distance trail event in Auburn California from 23 to 26 April 2026 following sections of the Western States Trail. Distances include 161 km, 100 km, 50 km and 25 km and the 100 km awards Western States Golden Tickets.

Trail races inside Marshall Gold Discovery State Historic Park range from a Kids Run to a half marathon on varied singletrack and paved sections, with marked courses, aid stations, and notable elevation gains.

A multi-distance trail event at Browns Ravine Marina on May 2, 2026 featuring 10K, half, 35K and 50K courses on marked single and double track around Folsom Lake. Aid stations are stocked and the event is cupless.

A spring trail race in Cool, California on May 9, 2026, with 5.8 and 10.3 mile single-track courses featuring meadows, hills, a creek crossing, and a tough climb; limited to 600 runners and entries are non-refundable.

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