Race Discovery

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

328 events found

Run to Breast Cancer 5K/10K/13.1 SAN DIEGO logo
Aug
29

Run to Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Run to Breast Cancer 5K/10K/13.1 SACRAMENTO logo
Aug
29

Run to Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Run to Breast Cancer 5K/10K/13.1 LOS ANGELES logo
Aug
29

Run to Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Run to Breast Cancer 5K/10K/13.1 SAN FRANCISCO logo
Aug
29

Run to Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Diablo Trail Run logo
Sep
06

Diablo Trail Run

Clayton, California, United States
Free - $90.00
Trail running Running
6.4K 16.1K Half-Marathon Marathon +2
Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon logo
Sep
06

Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon

Long Beach, California, United States
$29.50 - $45.00
Running
5K 10K 16.1K Half-Marathon
The Honey Badger Half (& 10K/5K) logo
Sep
11

The Honey Badger Half (& 10K/5K)

Santa Venetia, California, United States
$45.00 - $95.00
Running Trail running
5K 10K Half-Marathon +2
National Chocolate Day: Run for Chocolates 5K/10K/13.1 LOS ANGELES logo
Sep
12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO logo
Sep
12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project logo
Sep
12

The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project

Bloomfield, California, United States
$45.00 - $160.00
Running
Marathon Half-Marathon 10K 5K
Beer City Half™ Bishop Ranch logo
Sep
12

Beer City Half™ Bishop Ranch

San Ramon, California, United States
$30.00 - $102.50
Running
Half-Marathon 10K 5K 1.6K +1
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SACRAMENTO logo
Sep
12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2