Race Calendar in California, United States

Scarecrow 2.0

Exeter, California, United States

10 Oct, 2026 (Sat)

$15.00 - $47.00

Running

3.2K 10K 0.8K

Champion Mine Trail Race

Nevada City, California, United States

11 Oct, 2026 (Sun)

$35.00 - $65.00

Running

Half-Marathon 10K 5K

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California, United States

11 Oct, 2026 (Sun)

$40.00 - $105.00

Running

Half-Marathon 5K Marathon

Bizz Johnson

Susanville, California, United States

11 Oct, 2026 (Sun)

$65.00 - $100.00

Running

Ultra Half-Marathon 10K

Montebello Heritage 5K/10K

Montebello, California, United States

11 Oct, 2026 (Sun)

$30.00

Running

10K 5K

2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K

San Diego, California, United States

11 Oct, 2026 (Sun)

$34.00 - $153.00

Duathlon, Running

19K 5K

OktoberFest Pumpkin Run

Fresno, California, United States

11 Oct, 2026 (Sun)

$40.00 - $55.00

Running

5K

Bike to Hope 2026

Petaluma, California, United States

16 Oct, 2026 (Fri)

Free

Cycling

Ultra 16.1K

Reentry Resource Center’s Rise Up and Run 5K

San Jose, California, United States

17 Oct, 2026 (Sat) – 31 Oct, 2026

Walking, Running

5K

Ruff Run California

Phelan, California, United States

17 Oct, 2026 (Sat)

$50.00 - $70.00

Obstacle race

4K 1K

The Jackalope Lope

Redding, California, United States

17 Oct, 2026 (Sat)

$65.00 - $90.00

Trail running

13.7K 33K Ultra

The Donut Fun Run 2026!

Alameda, California, United States

17 Oct, 2026 (Sat)

$39.00

Running

5K