Trail

Fast

Upcoming Half Marathon Races Near Windsor, CA

Name: SPASM Lake Chabot Trail Run
Start: 2027-04-24
End: 2027-04-24
Location: Castro Valley

The Sasquatch Scramble 5K/10K/Half Marathon (li...

San Francisco, CA

Friday, May 8th, 2026

Featured

10K

Half

View details for race The Sasquatch Scramble 5K/10K/Half Marathon (live or virtual)

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Beer City Half™ Sacramento

Sacramento, CA

Saturday, May 9th, 2026

Half

10K

View details for race Beer City Half™ Sacramento

Grizzly Peak Trail Run

Berkeley, CA

Saturday, May 9th, 2026

10K

Half

Ultra

Trail

View details for race Grizzly Peak Trail Run

Sutter Buttes Spirit Mountain Run 5K, 10K & Hal...

Sutter, CA

Saturday, May 16th, 2026

10K

Half

View details for race Sutter Buttes Spirit Mountain Run 5K, 10K & Half Marathon

Cinderella Trail Run

Oakland, CA

Saturday, May 30th, 2026

Half

Ultra

Marathon

Trail

View details for race Cinderella Trail Run

2026 Lake Chabot Trail Challenge (Half Marathon...

Castro Valley, CA

Sunday, June 7th, 2026

Half

Trail

View details for race 2026 Lake Chabot Trail Challenge (Half Marathon & 5K)

The Rock the Loch 5K/10K/Half Marathon (LIVE or...

Castro Valley, CA

Friday, June 26th, 2026

10K

Half

Trail

View details for race The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

View details for race Beer City Half™ Alameda

Davis Moonlight Run

Davis, CA

Saturday, July 18th, 2026

10K

Half

View details for race Davis Moonlight Run

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

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

The Honey Badger Half (& 10K/5K)

Santa Venetia, CA

Friday, September 11th, 2026

10K

Half

Trail

View details for race The Honey Badger Half (& 10K/5K)

Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

View details for race Beer City Half™ Bishop Ranch

The Running Fence Run: A Run of Freedom- Celebr...

Bloomfield, CA

Saturday, September 12th, 2026

Marathon

Half

10K

View details for race The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

View details for race Alameda Island Running Festival

Napa Half Marathon

Napa, CA

Sunday, October 4th, 2026

Half

10K

View details for race Napa Half Marathon

Lake Chabot Trail Run

Castro Valley, CA

Saturday, November 7th, 2026

Half

Ultra

Marathon

Trail

View details for race Lake Chabot Trail Run

Golden Gate Trail Run

Sausalito, CA

Saturday, February 6th, 2027

Half

Ultra

Marathon

Trail

View details for race Golden Gate Trail Run

Beer City Half™ Santa Rosa

Santa Rosa, CA

Saturday, February 20th, 2027

Half

10K

View details for race Beer City Half™ Santa Rosa

Montara Mountain Trail Run

Pacifica, CA

Saturday, February 20th, 2027

10K

Half

Marathon

Trail

View details for race Montara Mountain Trail Run

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 20th, 2027

Half

Marathon

Ultra

Trail

View details for race Redwood (Spring) Trail Run

SPASM Lake Chabot Trail Run

Castro Valley, CA

Saturday, April 24th, 2027

Half

Marathon

Ultra

Trail

View details for race SPASM Lake Chabot Trail Run

Explore more in Windsor, CA

Distances:

5K 10K Half Marathon Marathon

Months:

May June July

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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