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

Breezin’ Through Beaumont

Beaumont, California, United States

16 May, 2026 (Sat)

Running

5K

BRAIN Foundation Spectrum Run 5K/10K

San Jose, California, United States

16 May, 2026 (Sat)

Running

5K 10K 2.4K

The Beach Boys 5K & Wellness Day

Santa Monica, California, United States

16 May, 2026 (Sat) – 24 May, 2026

Running

5K

The Cobra 5Kai, 10Kai & Half Miyagithon

Canoga Park, California, United States

16 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Villa Park 5K

Villa Park, California, United States

16 May, 2026 (Sat)

Running

5K

Wild Rose Half Marathon & 5K

Roseville, California, United States

16 May, 2026 (Sat)

Running, Walking

Half-Marathon 5K

YOLO Run

Davis, California, United States

16 May, 2026 (Sat)

Running

2K 5K 10K

2026 Torrance Stars and Strides 5k Run/Walk

Torrance, California, United States

16 May, 2026 (Sat)

Running

5K

Relay For Life at Ucla

Los Angeles, California, United States

16 May, 2026 (Sat)

Running

5K

Wildcat

El Sobrante, California, United States

16 May, 2026 (Sat)

Running

Half-Marathon 10.4K 5K

2026 Downtown Patterson Run

Patterson, California, United States

16 May, 2026 (Sat)

Running

5.1K

Trailquake

Saratoga, California, United States

10 May, 2026 (Sun)

Running

Half-Marathon 10.8K 5.1K