Race Discovery

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

34 events found

Rock It in Chino Hills 5K & 10K logo
Oct
10

Rock It in Chino Hills 5K & 10K

Brea, California, United States
Trail running
5K 10K
Elevé Outside
Sep
26

Elevé Outside

Corona, California, United States
Trail running
4.8K
Los Angeles Sunset Relays | 5K & Kid Run logo
Sep
12

Los Angeles Sunset Relays | 5K & Kid Run

Los Angeles, California, United States
Running Trail running
16.1K 5K 1.6K 4K +1
The Honey Badger Half (& 10K/5K) logo
Sep
11

The Honey Badger Half (& 10K/5K)

Santa Venetia, California, United States
Running Trail running
5K 10K Half-Marathon +2
Colby Mountain Trailfest logo
Sep
05

Colby Mountain Trailfest

Butte Meadows, California, United States
Trail running
5K 12.1K 24.1K
SAR Wild Run logo
Aug
09

SAR Wild Run

Shaver Lake, California, United States
Trail running
Half-Marathon 10K 5K 3.2K
5AM Crew 5PM Group Hike logo
Jul
11

5AM Crew 5PM Group Hike

Mt Baldy, California, United States
Trail running
5K
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual) logo
Jun
26

The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Castro Valley, California, United States
Running Trail running
5K 10K Half-Marathon +2
Race for Open Space logo
May
09

Race for Open Space

Carmel-By-The-Sea, California, United States
Running Trail running
1.6K 5K 12K 25K +1
Waves & Whales 5K Trail Run logo
May
09

Waves & Whales 5K Trail Run

Point Arena, California, United States
Trail running
5K