Half Marathon Races in California
Explore Half Marathon races in California during October 2025.
By Month
By Race Type
By City
Top Events
Palo Alto Weekly Moonlight Run & Walk
5K10KHalf-Marathon
Palo Alto, CA
Date TBD
Peace Officer Memorial Run
5KHalf-Marathon
Modesto, CA
Date TBD
12:00 AM PDT
Judgment Day Half Marathon & 5k Run/walk
5KHalf-Marathon
Bakersfield, CA
Date TBD
7:30 AM PDT
Napa Half Marathon
Half-Marathon
Napa, CA
Date TBD
7:30 AM PDT
Run By The Sea
Half-Marathon
Santa Cruz, CA
Date TBD
8:00 AM PDT
Redding Breakfast Lions Turtle Bay Run 2025
Half-Marathon
Redding, CA
Date TBD
8:30 AM PDT
Night Of The Living Runners 5k, 10k, 10m, And Half Marathon
5K10KHalf-Marathon
Long Beach, CA
Date TBD
7:00 AM PDT
Look Good Feel Good San Leandro 5k, 10, Half Marathon & Marathon
5K10KHalf-Marathon
San Leandro, CA
Date TBD
8:00 AM PDT
Wicked Wave Halloween Run 5k, 10k, And Half Marathon
5K10KHalf-Marathon
Huntington Beach, CA
Date TBD
7:30 AM PDT
Bizz Johnson
10KHalf-Marathon
Susanville, CA
Date TBD
8:00 AM PDT
2025 Humboldt Redwoods Marathon, Half Marathon, 5k
5KHalf-Marathon
Weott, CA
Date TBD
8:30 AM PDT
Hallo-thanks-mas Dash 5k, 10k, And Half Marathon
5K10KHalf-Marathon
Santa Monica, CA
Date TBD
7:00 AM PDT
Spacerock Trail Race
5K10KHalf-Marathon
Aqua Dulce, CA
Date TBD
7:30 AM PDT
The Ghostly Gallup 5k, 10k, 10 Miler, And Half Marathon
5K10KHalf-Marathon
Long Beach, CA
Date TBD
7:00 AM PDT
Mission Inn Run
5K10KHalf-Marathon
Riverside, CA
Date TBD
7:00 AM PDT
Heart Of Cool Trail Run
5K10KHalf-Marathon
Cool, CA
Date TBD
7:30 AM PDT
Dia De Los Muertos Half Marathon & 5k Run/walk (bakersfield)
5KHalf-Marathon
Bakersfield, CA
Date TBD
7:45 AM PDT
Fleet Feet Fall Classic - Trail October 19th, 2025
Half-Marathon
Chico, CA
Date TBD
8:00 AM PDT
Beer City Half™ Bishop Ranch
5K10KHalf-Marathon1 Mile
San Ramon, CA
Date TBD
5:30 AM PDT
Halloween Havoc 5k, 10k, And Half Marathon
5K10KHalf-Marathon
Fountain Valley, CA
Date TBD
7:00 AM PDT