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

Back to the Future: 88 MPH Dash 5K, 10K & Half

Canoga Park, California, United States

17 Oct, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon

12th Annual Native Breast Cancer Awareness Walk/Run

Elk Grove, California, United States

17 Oct, 2026 (Sat)

$45.00

Walking, Running

2.3K 4.5K

Springville Apple Run

Springville, California, United States

17 Oct, 2026 (Sat)

$15.00 - $40.00

Running, Walking

5K 10K 3.2K 1K

Lake Hodges Trail Festival

San Diego, California, United States

17 Oct, 2026 (Sat) – 18 Oct, 2026

$15.00 - $130.00

Trail running, Running, Duathlon

50K 25.1K 15K 10.3K +7

The Donut Fun Run 2026!

Alameda, California, United States

17 Oct, 2026 (Sat)

$39.00

Running

5K

Reentry Resource Center’s Rise Up and Run 5K

San Jose, California, United States

17 Oct, 2026 (Sat) – 31 Oct, 2026

Walking, Running

5K

SD HipHop 5k

San Diego, California, United States

18 Oct, 2026 (Sun)

Free - $35.00

Running

4.8K

Pre Registration 2026 - Beverly Hills Run of the Stars

Beverly Hills, California, United States

18 Oct, 2026 (Sun)

Running

5K 1K

Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Huntington Beach, California, United States

18 Oct, 2026 (Sun)

$38.99 - $48.99

Running

5K 10K Half-Marathon

2026 Cal Tri LA - 10.18.26

Playa Del Rey, California, United States

18 Oct, 2026 (Sun)

Free - $153.86

Triathlon, Running, Swimming

Ultra 5K 1.5K 10K +1

Vampire Run - Unite for Bleeding Disorders

Roseville, California, United States

18 Oct, 2026 (Sun)

$15.00 - $25.00

Running, Walking

5K 1.6K

MISSION INN RUN

Riverside, California, United States

18 Oct, 2026 (Sun)

$25.00 - $85.00

Running, Walking

5K 10K Half-Marathon 2K +4