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

Mountains 2 Beach Marathon and Half

Ventura, California, United States

Apr 17, 2027 (Sat) – Apr 18, 2027

$25.99 - $139.99

Running

5K 47.2K 26.1K 15K +4

Horseshoe Lake Trail Run

Los Gatos, California, United States

Apr 17, 2027 (Sat)

Free - $90.00

Trail running, Running

8.2K Half-Marathon 30K Marathon +2

Badger Cove

Livermore, California, United States

Apr 17, 2027 (Sat)

$35.00 - $90.00

Running

Half-Marathon 10K 5K

Nail the Rail Half Marathon, 10K & 5K

Shasta Lake, California, United States

Apr 24, 2027 (Sat)

$29.00 - $69.00

Running

Half-Marathon 10K 5K

SPASM Lake Chabot Trail Run

Castro Valley, California, United States

Apr 24, 2027 (Sat)

Free - $90.00

Trail running, Running

8K Half-Marathon 28.8K Marathon +2

American River Parkway Half Marathon

Carmichael, California, United States

Apr 24, 2027 (Sat)

Running

Half-Marathon 5K 0.8K

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

Long Beach, California, United States

May 1, 2027 (Sat)

$24.99 - $44.99

Running

5K 10K Half-Marathon

Pre Reg 2027 Wrigley River Run & Tadpole Trot

Long Beach, California, United States

Jun 5, 2027 (Sat)

Running

16.1K Half-Marathon 10K 5K +2

Pre-Registration Bakersfield Marathon 2028

Bakersfield, California, United States

Apr 2, 2028 (Sun)

Running

Marathon Half-Marathon 10K 5K

Half-Marathon Training for Fun & Fitness

Grass Valley, California, United States

Jul 19, 2026 (Sun) – Oct 4, 2026

$40.00

Running

Half-Marathon

Davis Moonlight Run

Davis, California, United States

Jul 18, 2026 (Sat)

Running

5K 10K Half-Marathon 2K +1

Bad Bass

Castro Valley, California, United States

Jul 18, 2026 (Sat)

Running

Half-Marathon 10.3K 5.4K