Marathon races in California, United States — 2026 running calendar

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

Pre-Registration Bakersfield Marathon 2028

Bakersfield, California, United States

Apr 2, 2028 (Sun)

Running

Marathon Half-Marathon 10K 5K

San Lorenzo River Trail Run

Santa Cruz, California, United States

Jul 11, 2026 (Sat)

Trail running, Running

10.1K Half-Marathon 30K Marathon +3

WICKED FAST MARATHON & HALF MARATHON SAN DIEGO

El Cajon, California, United States

Jun 13, 2026 (Sat)

Running

Marathon Half-Marathon

Race Through California 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!

Los Angeles, California, United States

Jun 6, 2026 (Sat) – Dec 31, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1

Cinderella Trail Run

Oakland, California, United States

May 30, 2026 (Sat)

Trail running, Running

8K Half-Marathon 30K Marathon +2

Grizzly Peak Trail Run

Berkeley, California, United States

May 9, 2026 (Sat)

Trail running, Running

10K Half-Marathon 30K Marathon +2

2026 Avenue of the Giants Marathon

Arcata, California, United States

May 3, 2026 (Sun)

Running

Marathon Half-Marathon 10K

The Hoag OC Marathon Running Festival

Costa Mesa, California, United States

May 2, 2026 (Sat) – May 3, 2026

Running

5K Half-Marathon Marathon +11