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Upcoming Half Marathon Races Near Geyserville, CA

Golden Gate Trail Run

Sausalito, CA

Saturday, February 7th, 2026

Featured

Half

Ultra

Marathon

Trail

View details for race Golden Gate Trail Run

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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

Trail

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)

Fort Bragg Whale Run and Walk

Fort Bragg, CA

Saturday, March 14th, 2026

Half

10K

5K

Trail

View details for race Fort Bragg Whale Run and Walk

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 21st, 2026

Half

Marathon

Ultra

Trail

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

Island Spring Bloom Half

Alameda, CA

Sunday, April 26th, 2026

5K

10K

Half

View details for race Island Spring Bloom Half

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

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

5K

View details for race Beer City Half™ Alameda

Noyo Headlands Race

Fort Bragg, CA

Saturday, August 8th, 2026

Half

10K

5K

Trail

View details for race Noyo Headlands Race

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

Trail

View details for race Redwood (Summer) Trail Run

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

5K

View details for race Alameda Island Running Festival

Explore more in Geyserville, CA

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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