Marathon races in California, United States — 2026 running calendar

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

Los Angeles, California, United States

06 Jun, 2026 (Sat) – 31 Dec, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1

WICKED FAST MARATHON & HALF MARATHON SAN DIEGO

El Cajon, California, United States

13 Jun, 2026 (Sat)

$159.00 - $179.00

Running

Marathon Half-Marathon

San Lorenzo River Trail Run

Santa Cruz, California, United States

11 Jul, 2026 (Sat)

Free - $90.00

Trail running, Running

10.1K Half-Marathon 30K Marathon +3

Redwood (Summer) Trail Run

Oakland, California, United States

15 Aug, 2026 (Sat)

Free - $90.00

Trail running, Running

8K Half-Marathon 30K Marathon +2

SPASM Crystal Springs Trail Run

Woodside, California, United States

29 Aug, 2026 (Sat)

Free - $90.00

Trail running, Running

10K Half-Marathon 35.4K Marathon +2

Diablo Trail Run

Clayton, California, United States

06 Sep, 2026 (Sun)

Free - $90.00

Trail running, Running

6.4K 16.1K Half-Marathon Marathon +2

LARPD Marathon On The Move Trail Challenge

Livermore, California, United States

07 Sep, 2026 (Mon) – 05 Oct, 2026

$7.00

Running

Marathon

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

Bloomfield, California, United States

12 Sep, 2026 (Sat)

$45.00 - $160.00

Running

Marathon Half-Marathon 10K 5K

The Syty Marathon

San Diego, California, United States

12 Sep, 2026 (Sat)

$50.00

Running

Marathon

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California, United States

11 Oct, 2026 (Sun)

$50.00 - $120.00

Running

Half-Marathon 5K Marathon

ZombieRunner Halloween

San Jose, California, United States

31 Oct, 2026 (Sat)

Free - $80.00

Trail running, Running

5K 10K Half-Marathon Marathon +6

Two Cities Marathon

Fresno, California, United States

01 Nov, 2026 (Sun)

$55.00 - $130.00

Running

Marathon Half-Marathon 10K 5K