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

Aug

07

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

Green Valley Lake, California, United States

$40.00 - $90.00

Running

5K 10K Half-Marathon

Apr

02

Pre-Registration Bakersfield Marathon 2028

Bakersfield, California, United States

Running

Marathon Half-Marathon 10K 5K

Aug

29

SPASM Crystal Springs Trail Run

Woodside, California, United States

Trail running Running

10K Half-Marathon 35.4K Marathon +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

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

Long Beach, California, United States

Running

5K 10K Half-Marathon 1.6K

Aug

29

Move4Life's Half-Marathon

Sacramento, California, United States

Running Walking

Half-Marathon 10K 5K 3.2K

Aug

29

Run to Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

23

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

Long Beach, California, United States

Running

5K 10K Half-Marathon

Aug

23

One Love Run – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon

Aug

16

Never Say Die Run 5K. 10K. Half Marathon An 80s Adventure Movie Inspired Race

Long Beach, California, United States

$46.99 - $62.99

Running

5K 10K Half-Marathon