6 Upcoming Half Marathon Races Near Placer County, CA

Half-Marathon Training for Fun & Fitness

Grass Valley, CA

Sunday, July 26th, 2026

Half

Trail

View details for race Half-Marathon Training for Fun & Fitness

Mammoth Bar Trail Runs

Auburn, CA

Sunday, September 6th, 2026

Half

10K

Trail

View details for race Mammoth Bar Trail Runs

Auburn Half Marathon

Auburn, CA

Sunday, September 27th, 2026

Half

Trail

View details for race Auburn Half Marathon

Champion Mine Trail Race

Nevada City, CA

Sunday, October 11th, 2026

Half

10K

Trail

View details for race Champion Mine Trail Race

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Heart of Cool Trail Run

Cool, CA

Saturday, October 17th, 2026

10K

Half

Trail

View details for race Heart of Cool Trail Run

Santa Hustle Roseville

Roseville, CA

Sunday, December 13th, 2026

Half

10K

View details for race Santa Hustle Roseville

Explore more in Placer County, CA

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

July August September

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Placer County

Nearby

Auburn Granite Bay Folsom Roseville Sacramento Elk Grove All California races