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

Coffee Lovers Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Coffee Lovers Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Bizz Johnson

Susanville, California, United States

Oct 11, 2026 (Sun)

$75.00 - $110.00

Running

Ultra Half-Marathon 10K

Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression Awareness

Simi Valley, California, United States

Oct 11, 2026 (Sun)

Running

Half-Marathon 10K 5K 1K +2

Champion Mine Trail Race

Nevada City, California, United States

Oct 11, 2026 (Sun)

$35.00 - $65.00

Running

Half-Marathon 10K 5K

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California, United States

Oct 11, 2026 (Sun)

$50.00 - $120.00

Running

Half-Marathon 5K Marathon

Back to the Future: 88 MPH Dash 5K, 10K & Half

Canoga Park, California, United States

Oct 17, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon

Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon

Long Beach, California, United States

Oct 17, 2026 (Sat)

$24.50 - $38.50

Running

5K 10K 16.1K Half-Marathon

Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Huntington Beach, California, United States

Oct 18, 2026 (Sun)

$38.99 - $48.99

Running

5K 10K Half-Marathon

2026 - City to the Sea Half Marathon & 5K

San Luis Obispo, California, United States

Oct 18, 2026 (Sun)

$50.00 - $110.00

Running

Half-Marathon 5K

MISSION INN RUN

Riverside, California, United States

Oct 18, 2026 (Sun)

$25.00 - $95.00

Running, Walking

5K 10K Half-Marathon 2K +4

Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Malibu, California, United States

Oct 24, 2026 (Sat) – Oct 25, 2026

Free - $170.00

Running

10K 5K 1K Half-Marathon +8