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

Summer is here 5k/10k!

Modesto, California, United States

07 May, 2026 (Thu) – 06 Jun, 2026

$20.00 - $100.00

Running

5K 10K

Mustang Mile 5K Fun Run

San Luis Obispo, California, United States

06 May, 2026 (Wed)

Running

5K

Los Angeles Torch Relay

Marina Del Rey, California, United States

03 May, 2026 (Sun)

Running

5K

2026 Cal Tri Ventura - 5.3.26

Ventura, California, United States

03 May, 2026 (Sun)

Triathlon, Running, Swimming

Ultra 4.8K 1.5K 9.7K

RAA Color RunFest & Wellness Festival

Redlands, California, United States

03 May, 2026 (Sun)

Running

5K 3K +7

May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

03 May, 2026 (Sun)

Running

5K 10K Half-Marathon 1.6K

41st Annual Boontling Classic

Boonville, California, United States

03 May, 2026 (Sun)

Running

5K

CINCO DE MILE HALF MARATHON & OLE 5 QUE - BAKERSFIELD

Bakersfield, California, United States

03 May, 2026 (Sun)

Running

5K Half-Marathon

Sonoma County Balloon Chase 5k

Windsor, California, United States

03 May, 2026 (Sun)

Running

5K 1K

5inco De Miles

Chula Vista, California, United States

03 May, 2026 (Sun)

Running

5K 1.6K 1K +3

SRLA Victory 5K

Los Angeles, California, United States

03 May, 2026 (Sun) – 29 May, 2026

Running

5K

Cinco De Mayo Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

02 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2