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

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

11

The Honey Badger Half (& 10K/5K)

Santa Venetia, California, United States

Running Trail running

5K 10K Half-Marathon +2

Sep

06

Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon

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

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

29

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

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

23

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

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon