Race Discovery

Half-Marathon races in California, United States — 2026 running calendar

389 events found

Run for Donuts 5K/10K/13.1 Los Angeles logo
Jul
25

Run for Donuts 5K/10K/13.1 Los Angeles

Los Angeles, California, United States
Running
5K 10K Half-Marathon 1.6K +8
Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO logo
Jul
25

Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Half-Marathon Training for Fun & Fitness logo
Jul
19

Half-Marathon Training for Fun & Fitness

Grass Valley, California, United States
Running
Half-Marathon
Davis Moonlight Run logo
Jul
18

Davis Moonlight Run

Davis, California, United States
Running
5K 10K Half-Marathon 2K +1
Bad Bass logo
Jul
18

Bad Bass

Castro Valley, California, United States
Running
Half-Marathon 10.3K 5.4K
Muir Woods Mt. Challenge logo
Jul
18

Muir Woods Mt. Challenge

Stinson Beach, California, United States
Running
29.9K Half-Marathon 10K
Strides in Recovery Community Event
Jul
12

Strides in Recovery Community Event

Long Beach, California, United States
Running
5K 10K 16.1K Half-Marathon +4
LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon logo
Jul
12

LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States
Running
5K 10K 15K Half-Marathon
Red, White, and Run – 5K, 10K, and Half Marathon logo
Jul
05

Red, White, and Run – 5K, 10K, and Half Marathon

Long Beach, California, United States
Running
5K 10K Half-Marathon
Run for Chocolate 5K/10K/13.1 LOS ANGELES logo
Jul
04

Run for Chocolate 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States
Running
5K 10K Half-Marathon 1.6K +2
July 4th Run 5K/10K/13.1 SACRAMENTO logo
Jul
04

July 4th Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Run for Chocolate 5K/10K/13.1 SAN FRANCISCO logo
Jul
04

Run for Chocolate 5K/10K/13.1 SAN FRANCISCO

San Mateo, California, United States
Running
5K 10K Half-Marathon 1.6K +2