56 Upcoming Half Marathon Races Near Portola Valley, CA

Badger Cove

Livermore, CA

Saturday, April 17th, 2027

Half

10K

View details for race Badger Cove

Santa Cruz Westside Half Marathon 10k/5k

Santa Cruz, CA

Sunday, April 18th, 2027

Half

10K

View details for race Santa Cruz Westside Half Marathon 10k/5k

Mt. Diablo Half Marathon

Walnut Creek, CA

Saturday, April 24th, 2027

Half

View details for race Mt. Diablo Half Marathon

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

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Beer City Half™ San Jose

San Jose, CA

Saturday, May 29th, 2027

Half

10K

View details for race Beer City Half™ San Jose

San Jose Half Marathon & 8K

San Jose, CA

Sunday, June 6th, 2027

Half

Fast

View details for race San Jose Half Marathon & 8K

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