10K races in California, United States — 2026 running calendar

Feb

21

Coastal Love Chase – 5K, 10K, 10-Miler, Half Marathon

Long Beach, California, United States

$24.50 - $38.50

Running

5K 10K 16.1K Half-Marathon

Feb

21

Almond Blossom Run

Durham, California, United States

$45.00

Running

10K 5K +2

Feb

27

Run Together Against Breast Cancer San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run Together Against Breast Cancer San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run Together Against Breast Cancer Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

The Storybook Stride – 5K, 10K, 10-Miler, Half Marathon

Long Beach, California, United States

$24.50 - $38.50

Running

5K 10K 10-Miler Half Marathon

Feb

27

Run For Mental Health Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run For Mental Health Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run For Mental Health San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Huntington Beach, California, United States

$40.00 - $100.00

Running

5K 10K Half-Marathon Marathon

Feb

27

Run Together Against Breast Cancer Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run For Mental Health San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2