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

Golden Gate Trail Run

Sausalito, California, United States

06 Feb, 2027 (Sat)

Free - $90.00

Trail running, Running

8K Half-Marathon 30K Marathon +2

Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

06 Feb, 2027 (Sat)

$38.99 - $52.99

Running

5K 10K Half-Marathon

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

Long Beach, California, United States

07 Feb, 2027 (Sun)

$25.00 - $128.99

Running

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

The HEART RUN Half Marathon & 5K/10K

Huntington Beach, California, United States

13 Feb, 2027 (Sat)

$28.00 - $72.00

Running

5K 10K Half-Marathon

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

Long Beach, California, United States

14 Feb, 2027 (Sun)

$29.99 - $38.99

Running

5K 10K Half-Marathon

Palm Desert 1/2 Marathon & 5K

Palm Desert, California, United States

14 Feb, 2027 (Sun)

$14.00 - $75.00

Running

Half-Marathon 5K 1K +1

Montara Mountain Trail Run

Pacifica, California, United States

20 Feb, 2027 (Sat)

Free - $90.00

Trail running, Running

10K Half-Marathon 33.3K Marathon +3

Beer City Half™ Santa Rosa

Santa Rosa, California, United States

20 Feb, 2027 (Sat)

$25.00 - $97.50

Running

Half-Marathon 10K 5K 1.6K +1

Ventura Marathon

Ventura, California, United States

21 Feb, 2027 (Sun)

$120.00 - $140.00

Running

Marathon Half-Marathon

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

Huntington Beach, California, United States

27 Feb, 2027 (Sat)

$40.00 - $100.00

Running

5K 10K Half-Marathon Marathon

Navy Ten-Miler

Chula Vista, California, United States

28 Feb, 2027 (Sun) – 28 Mar, 2027

$20.00 - $125.00

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

06 Mar, 2027 (Sat)

$38.99 - $48.99

Running

5K 10K Half-Marathon