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

Jun

27

Summer time in the LBC 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

Running

5K 10K Half-Marathon

Jun

26

The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Castro Valley, California, United States

Running Trail running

5K 10K Half-Marathon +2

Jun

21

Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon

Jun

21

La Noche de La Llorona Run SummerWeen Series 5K 10K Half by Califlow Runs

Long Beach, California, United States

Running

5K 10K 1.6K Half-Marathon

Jun

21

Presidio Half Marathon

San Francisco, California, United States

Running

Half-Marathon 10K 5.5K

Jun

20

Sloth Run 5K/10K/13.1 San Francisco

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +8

Jun

20

Run Juneteenth Day 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Jun

20

Run Juneteenth Day 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Jun

20

Sloth Run 5K/10K/13.1 Los Angeles

Los Angeles, California, United States

Running

5K 10K Half-Marathon 1.6K +8

Jun

20

Sloth Run 5K/10K/13.1 Sacramento

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +8

Jun

20

Sloth Run 5K/10K/13.1 San Diego

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +8

Jun

20

Run Juneteenth Day 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +2