HalfRuns
Mammoth Bar Trail Runs

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

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

0'

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

6.2 Miles

Quality Score

Methodology
Heritage0/20

first year

Size0/15

no finisher counts yet

Momentum3/5

small race — neutral

Loyalty0/20

needs a few years of results

Course & details3/15

3 timing sources

National draw0/10

no finisher data yet

Front-pack speed0/5

no winner time yet

Weather0/10

typical high 94°F

Race Day Weather

5-year historical avg

Start (Low)

63°

Afternoon (High)

94°

Hot conditions — adjust pace expectations, prioritize hydration

0.0"

Precipitation

8 mph

Wind

37%

Humidity

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