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Upcoming Half Marathon Races Near San Francisco, CA in October, 2026

Peace Officer Memorial Run logo

Peace Officer Memorial Run

Modesto, CA

Sunday, October 4th, 2026

Featured
Half
5K
View details for race Peace Officer Memorial Run
Napa Half Marathon logo

Napa Half Marathon

Napa, CA

Sunday, October 4th, 2026

Half
10K
View details for race Napa Half Marathon
ZombieRunner Halloween logo

ZombieRunner Halloween

San Jose, CA

Saturday, October 31st, 2026

5K
10K
Half
Trail
View details for race ZombieRunner Halloween

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Distances:

5K10KHalf MarathonMarathon

Months:

JuneJulyAugust

Tags:

TrailBoston QualifiersFast Courses

State:

All California races