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

Jul

17

Brian Waterbury Memorial Rock to Pier Run

Morro Bay, California, United States

$55.00 - $85.00

Running

10K 9.7K Half-Marathon

Jul

24

Lbc - Good Vibes Run 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$45.99 - $52.99

Running

5K 10K Half-Marathon

Jul

25

BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow Runs

Long Beach, California, United States

$25.00 - $54.99

Running

5K 10K Half-Marathon 1.6K

Aug

07

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, California, United States

$40.00 - $90.00

Running

5K 10K Half-Marathon

Aug

08

Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

$18.00 - $48.99

Running

5K 10K Half-Marathon 1K

Aug

14

Redwood (Summer) Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 30K Marathon +3

Aug

22

Garmin Marathon Ventura

Ventura, California, United States

$40.00 - $100.00

Running

Marathon Half-Marathon 10K 5K

Aug

22

Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$45.99 - $52.99

Running

5K 10K Half-Marathon

Aug

28

Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

Long Beach, California, United States

$25.00 - $54.99

Running

5K 10K Half-Marathon 1.6K

Sep

11

Beer City Half™ Bishop Ranch

San Ramon, California, United States

Free - $90.00

Running

Half-Marathon 10K 5K 1.6K +4

Apr

02

Pre-Registration Bakersfield Marathon 2028

Bakersfield, California, United States

Running

Marathon Half-Marathon 10K 5K

Oct

18

2026 - City to the Sea Half Marathon & 5K

San Luis Obispo, California, United States

Running

Half-Marathon 5K