Race Discovery

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

328 events found

May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs logo
May
03

May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States
Running
5K 10K Half-Marathon 1.6K
2026 Avenue of the Giants Marathon logo
May
03

2026 Avenue of the Giants Marathon

Arcata, California, United States
Running
Marathon Half-Marathon 10K
Sunrise Marathon 5K/10K/13.1 SAN DIEGO logo
May
02

Sunrise Marathon 5K/10K/13.1 SAN DIEGO

San Diego, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO logo
May
02

Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Cinco De Mayo Run 5K/10K/13.1 SACRAMENTO logo
May
02

Cinco De Mayo Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States
Running
5K 10K Half-Marathon 1.6K +2
The Hoag OC Marathon Running Festival logo
May
02

The Hoag OC Marathon Running Festival

Costa Mesa, California, United States
Running
5K Half-Marathon Marathon +11
Cinco De Mayo Run 5K/10K/13.1 SAN FRANCISCO logo
May
02

Cinco De Mayo Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Cinco De Mayo Run 5K/10K/13.1 SAN DIEGO logo
May
02

Cinco De Mayo Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Cinco De Mayo Run 5K/10K/13.1 LOS ANGELES logo
May
02

Cinco De Mayo Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Sunrise Marathon 5K/10K/13.1 LOS ANGELES logo
May
02

Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States
Running
5K 10K Half-Marathon 1.6K +2
Sunrise Marathon 5K/10K/13.1 SACRAMENTO logo
May
02

Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States
Running
5K 10K Half-Marathon 1.6K +2
The Rebel Run – 5K, 10K, 10M, and Half Marathon logo
May
02

The Rebel Run – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States
Running
5K 10K Half-Marathon