Upcoming Marathon Races Near Guerneville, CA

2026 San Francisco Marathon

San Francisco, CA

Sunday, July 26th, 2026

Marathon

Half

View details for race 2026 San Francisco Marathon

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

Trail

View details for race Redwood (Summer) Trail Run

Diablo Trail Run

Clayton, CA

Sunday, September 6th, 2026

10 Miles

Half

Marathon

Trail

Fast

View details for race Diablo Trail Run

Running Fence Run - Celebrating Christo & Jeann...

Bloomfield, CA

Saturday, September 12th, 2026

Marathon

10K

View details for race Running Fence Run - Celebrating Christo & Jeanne-Claude's "Running Fence" - a 24.5-mile fabric fence in Sonoma & Marin Counties installed in September 1976

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

Add it free Feature it

Golden Gate Trail Run

Sausalito, CA

Saturday, February 6th, 2027

Half

Ultra

Marathon

Trail

View details for race Golden Gate Trail Run

Montara Mountain Trail Run

Pacifica, CA

Saturday, February 20th, 2027

10K

Half

Marathon

View details for race Montara Mountain Trail Run

2027 Napa Valley Marathon

Napa, CA

Sunday, March 7th, 2027

Marathon

Trail

View details for race 2027 Napa Valley Marathon

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 20th, 2027

Half

Marathon

Ultra

Trail

View details for race Redwood (Spring) Trail Run

Explore more in Guerneville, 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 Guerneville

Nearby

Bloomfield Santa Rosa Napa San Francisco Alameda Oakland All California races