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

The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project

Bloomfield, California, United States

Sep 12, 2026 (Sat)

$45.00 - $160.00

Running

Marathon Half-Marathon 10K 5K

Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

Sep 13, 2026 (Sun)

$46.99 - $58.99

Running

5K 10K Half-Marathon

Rocky Ridge

San Ramon, California, United States

Sep 19, 2026 (Sat)

Running

22.1K 10K 5K Half-Marathon

Bayside Saved by the Bell 5K, 10K & Half Marathon

Canoga Park, California, United States

Sep 19, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon

Jurassic Jaunt – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Sep 19, 2026 (Sat)

$24.50 - $38.50

Running

5K 10K 10 Miler Half-Marathon

Run for Coffee 5k / 10k / 13.1 - Roseville

Rocklin, California, United States

Sep 19, 2026 (Sat)

$35.00 - $45.00

Running

5K 10K Half-Marathon

La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs

Long Beach, California, United States

Sep 20, 2026 (Sun)

$28.99 - $59.99

Running

5K 10K Half-Marathon 1.6K

Alameda Island Running Festival

Alameda, California, United States

Sep 20, 2026 (Sun)

$25.00 - $120.00

Running

Half-Marathon 10K 5K 1.6K

Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2