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Mammoth Bar Trail Runs

Auburn, California · Sunday, September 6, 2026 · Half Marathon, 10K

Official race page & registration ↗

Mammoth Bar Trail Runs takes place on Sunday, September 6, 2026 in Auburn, California. The race offers 2 distances: Half Marathon, 10K. It is run on trail. For anyone travelling in, Granite Bay is about 11 miles away and Sacramento is about 32 miles away.

It is one of 296 races on the California calendar that September. At $49, entry sits above the $30 median for a California half marathon.

Date
Sunday, September 6, 2026
Location
Auburn, California
Distances
Half Marathon, 10K
Surface
Trail
Entry fee
from $49
Registration
listed as closed

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in Auburn: check in Sep 5, out Sep 7.

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Common questions

When is Mammoth Bar Trail Runs?

Mammoth Bar Trail Runs is scheduled for Sunday, September 6, 2026.

Where is Mammoth Bar Trail Runs held?

Mammoth Bar Trail Runs is held in Auburn, California. It is about 11 miles from Granite Bay and 32 miles from Sacramento.

What distances does Mammoth Bar Trail Runs offer?

The listed distances are Half Marathon, 10K.

How much does Mammoth Bar Trail Runs cost?

Entry is listed from $49. Check the official race page for the current price, which usually rises closer to race day.

How do I register for Mammoth Bar Trail Runs?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

See every race on the California calendar, all Auburn races, California Half Marathons, California 10Ks, or use the Race Finder for maps and filters.