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

Feb

07

Besties Run 5K. 10K. Half Marathon , & Kids Dash

Long Beach, California, United States

$25.00 - $128.99

Running

5K 10K Half-Marathon Kids Half Mile Run +4

Feb

13

Valentine's Day Run 5K/10K/13.1 San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

13

Valentine's Day Run Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

13

Valentine's Day Run 5K/10K/13.1 San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

13

The HEART RUN Half Marathon & 5K/10K

Huntington Beach, California, United States

$28.00 - $72.00

Running

5K 10K Half-Marathon

Feb

13

Run for Chocolate 5k/10k/13.1 Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Feb

13

Valentine's Day Run 5K/10K/13.1 Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

14

The Love Run – 5K, 10K, 10-Miler, Half Marathon

Long Beach, California, United States

$24.50 - $38.50

Running

5K 10K 16.1K Half-Marathon

Feb

14

The Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$32.99 - $48.99

Running

5K 10K Half-Marathon

Feb

14

Palm Desert 1/2 Marathon & 5K

Palm Desert, California, United States

$16.00 - $75.00

Running

Half-Marathon 5K 1K +1

Feb

20

Beer City Half™ Santa Rosa

Santa Rosa, California, United States

$25.00 - $100.00

Running

Half-Marathon 10K 5K 1.6K +1

Feb

20

Montara Mountain Trail Run

Pacifica, California, United States

Free - $90.00

Trail running Running

10K Half-Marathon 33.3K Marathon +3