5K races in California, United States — 2026 running calendar

Apr

03

The Cobra 5Kai, 10Kai & Half Miyagithon

Canoga Park, California, United States

$34.99

Running

5K 10K Half-Marathon The Multiverse Dojo Dash (Virtual)

Apr

03

20th Annual With Hope 5K

Yorba Linda, California, United States

$35.00 - $45.00

Running

5K

Apr

04

Creek Cut Wine Run 5k

Paso Robles, California, United States

$30.00

Running

5K

Apr

04

Modesto Marathon

Modesto, California, United States

$50.00 - $125.00

Running

Marathon Half-Marathon 10K 5K +8

Apr

04

World Health Day: 5K 10K Half Marathon Running for a Better World by Califlow Runs

Long Beach, California, United States

$25.00 - $50.00

Running

5K 10K Half-Marathon 1.6K

Apr

04

UMS Music Fun Run

Los Gatos, California, United States

$25.00

Running

5K

Apr

10

San Diego Beach & Bay Half Marathon

San Diego, California, United States

Free - $119.00

Running

Half-Marathon 10K 5.1K 5K +1

Apr

10

Porterville 5K/10K Trail Run

Porterville, California, United States

$10.00 - $50.00

Running

5K 10K 6.4K

Apr

10

Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M

Agoura Hills, California, United States

$33.49 - $92.45

Trail running Running

Half-Marathon 10K 16.6K 15K +3

Apr

10

Run for Pb&J 5k/10k/13.1 Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Apr

10

Donut Stop Running

Stockton, California, United States

Free - $25.00

Running

5K 1K

Apr

10

Run for Bagels 5K/10K/13.1 San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2