Trail running Race Calendar in California, United States

Oct

02

Sgrail Marin - Triathlon & Trail Half Marathon

San Rafael, California, United States

Triathlon Running Trail running

Kids "Fun" Event Ultra Half-Marathon +1

Sep

26

JP's Backyard Ultra/Hike, The Final Edition

Napa, California, United States

Trail running

Ultra

Sep

26

Elevé Outside

Corona, California, United States

Trail running

4.8K

Sep

12

Los Angeles Sunset Relays | 5K & Kid Run

Los Angeles, California, United States

Running Trail running

16.1K 5K 1.6K 4K +1

Sep

11

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

Santa Venetia, California, United States

Running Trail running

5K 10K Half-Marathon +2

Sep

06

Mammoth Bar Trail Runs

Auburn, California, United States

Trail running

Half-Marathon 10K

Sep

05

Colby Mountain Trailfest

Butte Meadows, California, United States

Trail running

5K 12.1K 24.1K

Aug

29

SPASM Crystal Springs Trail Run

Woodside, California, United States

Trail running Running

10K Half-Marathon 35.4K Marathon +2

Aug

22

Santa Cruz Trail Run

Felton, California, United States

Trail running

29.3K Half-Marathon 10K

Aug

09

SAR Wild Run

Shaver Lake, California, United States

Trail running

Half-Marathon 10K 5K 3.2K

Aug

08

The Napa Lapa

Napa, California, United States

Trail running

6.7K +1

Jul

18

Vacation Isle

San Diego, California, United States

Trail running

Traditional - Beginner Traditional - Intermediate Traditional - Advanced