5K races in California, United States — 2026 trail running calendar

Jan

24

Hollywood Sign Run | Hike - 8M | 8K | 5K | Kid

Los Angeles, California, United States

$22.00 - $62.00

Trail running Running

12.9K 8K 5K 2K

Mar

13

Catalina Island Marathon, 10K, 5K

Avalon, California, United States

$25.00 - $396.00

Trail running Running

Marathon 10K 5K 1K +1

Mar

13

Zoom San Francisco

San Francisco, California, United States

Free - $70.00

Trail running Running

5K 10K Half-Marathon 3.2K +4

Apr

03

Bedrock Valley Trail Runs

Hemet, California, United States

$15.00 - $115.00

Trail running Running Cycling

Marathon Half-Marathon 15K 10K +9

Apr

10

Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M

Agoura Hills, California, United States

$33.95 - $107.55

Trail running Running

Half-Marathon 10K 16.6K 15K +3

Apr

17

Ramona Wine Country 5K

Ramona, California, United States

$25.00 - $40.00

Trail running Running

5K 1.6K +1

Apr

24

No Foolin' Foot Race

San Carlos, California, United States

$20.00 - $65.00

Trail running

15K 10K 5K 1K

May

01

Santa Clarita Trail Race

Santa Clarita, California, United States

$50.00 - $180.00

Trail running

5K 10K 15K 30K +4

Jun

06

Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California, United States

$40.00 - $65.00

Trail running

Half-Marathon 5K

Oct

16

Heart of Cool Trail Run

Cool, California, United States

$30.00 - $55.00

Trail running

5K 10K Half-Marathon

Oct

17

SPACEROCK Trail Race

Agua Dulce, California, United States

Trail running

22.4K 14.3K 10K 5K

Oct

17

Lake Hodges Trail Festival

San Diego, California, United States

Trail running Running Duathlon

50K 25.1K 15K 10.3K +7