Upcoming Half Marathon Races Near Orinda, CA

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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

Bad Bass

Castro Valley, CA

Saturday, July 18th, 2026

Half

View details for race Bad Bass

2026 Napa to Sonoma Wine Country Half Marathon ...

Napa, CA

Saturday, July 25th, 2026

Half

View details for race 2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5K

Summer Breeze

San Leandro, CA

Saturday, August 1st, 2026

10K

Half

View details for race Summer Breeze

Bear Creek

Orinda, CA

Saturday, August 8th, 2026

Ultra

Half

View details for race Bear Creek

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

Trail

View details for race Redwood (Summer) Trail Run

Beer City Half™ SLAM

Fremont, CA

Saturday, August 15th, 2026

Half

10K

View details for race Beer City Half™ SLAM

SPASM Crystal Springs Trail Run

Woodside, CA

Saturday, August 29th, 2026

10K

Half

Marathon

View details for race SPASM Crystal Springs 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

Rocky Ridge

San Ramon, CA

Saturday, September 19th, 2026

10K

Half

View details for race Rocky Ridge

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

ZombieRunner Halloween

San Jose, CA

Saturday, October 31st, 2026

10K

Half

Trail

View details for race ZombieRunner Halloween

Lake Chabot Trail Run

Castro Valley, CA

Saturday, November 7th, 2026

Half

Ultra

Marathon

Trail

View details for race Lake Chabot Trail Run

ZombieRunner Quarry Lakes

Fremont, CA

Saturday, November 14th, 2026

10K

Half

Trail

Fast

View details for race ZombieRunner Quarry Lakes

Zoom Turkey Trot

San Jose, CA

Thursday, November 26th, 2026

10K

Half

Trail

View details for race Zoom Turkey Trot

Crystal Springs Trail Run

Woodside, CA

Sunday, January 17th, 2027

Half

Marathon

Ultra

Trail

View details for race Crystal Springs Trail Run

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

Beer City Half™ Santa Rosa

Santa Rosa, CA

Saturday, February 20th, 2027

Half

10K

View details for race Beer City Half™ Santa Rosa

Zoom San Francisco

San Francisco, CA

Saturday, March 13th, 2027

10K

Half

Trail

View details for race Zoom San Francisco

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 20th, 2027

Half

Marathon

Ultra

Trail

View details for race Redwood (Spring) Trail Run

Horseshoe Lake Trail Run

Los Gatos, CA

Saturday, April 17th, 2027

1 Mile

Half

Ultra

View details for race Horseshoe Lake 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

Beer City Half™ San Jose

San Jose, CA

Saturday, May 29th, 2027

Half

10K

View details for race Beer City Half™ San Jose

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