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Upcoming Half Marathon Races Near Napa, CA

IPA10K & Hallowine Half Marathon

Sebastopol, CA

Saturday, November 1st, 2025

Featured

10K

Half

1 Mile

View details for race IPA10K & Hallowine Half Marathon

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2025 Golden Gate Half Marathon & 5K

San Francisco, CA

Sunday, November 2nd, 2025

5K

Half

View details for race 2025 Golden Gate Half Marathon & 5K

Clarksburg Country Run

Clarksburg, CA

Sunday, November 2nd, 2025

Half

10K

5K

View details for race Clarksburg Country Run

Lake Chabot Trail Run

Castro Valley, CA

Saturday, November 8th, 2025

Half

Ultra

Marathon

Trail

View details for race Lake Chabot Trail Run

Davis Turkey Trot

Davis, CA

Saturday, November 22nd, 2025

5K

10K

Half

View details for race Davis Turkey Trot

Golden Gate Trail Run

Sausalito, CA

Saturday, February 7th, 2026

Half

Ultra

Marathon

Trail

View details for race Golden Gate Trail Run

Montara Mountain Trail Run

Pacifica, CA

Saturday, February 21st, 2026

10K

Half

Marathon

Trail

View details for race Montara Mountain Trail Run

Beer City Half™ Santa Rosa

Santa Rosa, CA

Saturday, February 21st, 2026

Half

10K

5K

View details for race Beer City Half™ Santa Rosa

Davis Stampede

Davis, CA

Sunday, February 22nd, 2026

5K

10K

Half

Fast

View details for race Davis Stampede

The Rattlesnake Ramble 5K/10K/Half Marathon (li...

Santa Venetia, CA

Friday, March 13th, 2026

5K

10K

Half

Trail

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

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 21st, 2026

Half

Marathon

Ultra

View details for race Redwood (Spring) Trail Run

Zoom San Francisco

San Francisco, CA

Saturday, March 28th, 2026

5K

10K

Half

Trail

View details for race Zoom San Francisco

Lake Sonoma 100K, 50K, TS Half Marathon

Geyserville, CA

Saturday, April 11th, 2026

Half

Ultra

Trail

View details for race Lake Sonoma 100K, 50K, TS Half Marathon

SPASM Lake Chabot Trail Run

Castro Valley, CA

Saturday, April 11th, 2026

Half

Marathon

Ultra

Trail

View details for race SPASM Lake Chabot Trail Run

Beer City Half™ Sacramento

Sacramento, CA

Sunday, May 3rd, 2026

Half

10K

5K

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

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

5K

Trail

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

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

5K

View details for race Beer City Half™ Alameda

Explore more in Napa, CA

Distances:

5K 10K Half Marathon Marathon

Months:

November December January

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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