Mammoth Bar Trail Runs

Auburn, United States • 6 Sep 2026

Mammoth Bar Trail Runs - Overview

The Mammoth Bar Trail Runs take place on September 6, 2026 in Auburn, California. The event is organized by Skybreaker Racing under the Singletrack Running umbrella. The race program includes the following distances:

  • Half Marathon
  • 10K

Registration prices shown on the event page list a reduced price and note a price increase after May 3, 2026.

Course and location

Races use single-track and double-track trails in the Mammoth Bar OHV Area within Auburn State Recreation Area. The course includes steep climbs and descents and offers views of the American River Canyon. The venue is listed near Old Foresthill Road, Auburn, CA 95603. The event description notes that Mammoth Bar is a newly offered event in this series. Visit the organization's website for the most recent information.

Race information

Half Marathon
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
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