Upcoming Half Marathon Races Near Santa Cruz County, CA

Name: ZombieRunner Quarry Lakes
Start: 2026-12-05
End: 2026-12-05
Location: Fremont

Rotary Mission Ten - Half Marathon, 10 Mile and 5K

San Juan Bautista, CA

Saturday, January 31st, 2026

Featured

Half

10 Miles

View details for race Rotary Mission Ten - Half Marathon, 10 Mile and 5K

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Montara Mountain Trail Run

Pacifica, CA

Saturday, February 21st, 2026

10K

Half

Marathon

Trail

View details for race Montara Mountain Trail Run

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

Horseshoe Lake Trail Run

La Honda, CA

Saturday, April 18th, 2026

1 Mile

Half

Ultra

Trail

View details for race Horseshoe Lake Trail Run

Vibha Bay Area Dream Mile 2026

Fremont, CA

Friday, May 1st, 2026

Half

10K

View details for race Vibha Bay Area Dream Mile 2026

Beer City Half™ San Jose

San Jose, CA

Saturday, May 30th, 2026

Half

10K

View details for race Beer City Half™ San Jose

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)

San Lorenzo River Trail Run

Santa Cruz, CA

Saturday, July 11th, 2026

Half

Ultra

Marathon

Trail

View details for race San Lorenzo River 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

Sunday, August 30th, 2026

10K

Half

Marathon

View details for race SPASM Crystal Springs Trail Run

Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

View details for race Beer City Half™ Bishop Ranch

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

Zoom Turkey Trot

San Jose, CA

Thursday, November 26th, 2026

10K

Half

Trail

View details for race Zoom Turkey Trot

ZombieRunner Quarry Lakes

Fremont, CA

Saturday, December 5th, 2026

10K

Half

Trail

Fast

View details for race ZombieRunner Quarry Lakes

Explore more in Santa Cruz County, CA

Distances:

5K 10K Half Marathon Marathon

Months:

January February March

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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