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

Montara Mountain Trail Run

Pacifica, California, United States

Feb 20, 2027 (Sat)

Free - $90.00

Trail running, Running

10K Half-Marathon 33.3K Marathon +3

Ventura Marathon

Ventura, California, United States

Feb 21, 2027 (Sun)

$130.00 - $150.00

Running

Marathon Half-Marathon

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

Huntington Beach, California, United States

Feb 27, 2027 (Sat)

$40.00 - $100.00

Running

5K 10K Half-Marathon Marathon

Navy Ten-Miler

Chula Vista, California, United States

Feb 28, 2027 (Sun) – Mar 28, 2027

$20.00 - $131.00

Running

16.1K Half-Marathon 5K 1.6K +2

Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs

Long Beach, California, United States

Mar 6, 2027 (Sat)

$38.99 - $48.99

Running

5K 10K Half-Marathon

She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon

Long Beach, California, United States

Mar 7, 2027 (Sun)

$40.00 - $60.00

Running

5K 10K Half-Marathon

Zoom San Francisco

San Francisco, California, United States

Mar 13, 2027 (Sat)

Free - $70.00

Trail running, Running

5K 10K Half-Marathon 3.2K +4

Beer City Half™ San Diego

San Diego, California, United States

Mar 13, 2027 (Sat)

$30.00 - $100.00

Running

Half-Marathon 10K 5K 1.6K +1

Mojave Half Marathon

Twentynine Palms, California, United States

Mar 13, 2027 (Sat)

$50.00

Running

Half-Marathon

The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

Mar 14, 2027 (Sun)

$20.00 - $38.99

Running

1.6K 5K 10K Half-Marathon

Fort Bragg Whale Run and Walk

Fort Bragg, California, United States

Mar 20, 2027 (Sat)

$35.00 - $45.00

Running

Half-Marathon 10K 5K

Redwood (Spring) Trail Run

Oakland, California, United States

Mar 20, 2027 (Sat)

Free - $90.00

Trail running, Running

8K Half-Marathon 29.5K Marathon +5