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

Apr

17

Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half Marathon

Long Beach, California, United States

$25.00 - $48.99

Running

5K 10K Half-Marathon 1.6K

Apr

17

Badger Cove

Livermore, California, United States

$35.00 - $90.00

Running

Half-Marathon 10K 5K

Apr

17

California Classic Half Marathon

Fresno, California, United States

$45.00 - $85.00

Running

Half-Marathon 10K 5K Classic Virtual - Run +1

Apr

17

Crescenta Valley HomeTown 5K

La Crescenta, California, United States

$35.00 - $55.00

Running

5K 1K

Apr

17

Mountains 2 Beach Marathon and Half

Ventura, California, United States

$25.99 - $139.99

Running

5K 47.2K 26.1K 15K +4

Apr

17

Super Bulldog Jog 5K Run/Walk

Los Angeles, California, United States

Running

5K

Apr

17

Nelson Family Vineyards Wine Run 5k

Ukiah, California, United States

$30.00

Running

5K

Apr

17

Alameda Island Running Festival

Alameda, California, United States

Free - $100.00

Running

1.6K Yoga on the patio - Presented by Breathing Room 8K Half-Marathon +2

Apr

17

5K for Fragile X

San Dimas, California, United States

$25.00

Running

5K

Apr

17

Clovis Rodeo 5K

Clovis, California, United States

$55.00 - $60.00

Running

5K 3.2K

Apr

18

Run for the Planet – 5K, 10K, 10M, and Half Marathon

Santa Monica, California, United States

$24.50 - $38.50

Running

5K 10K Half-Marathon

Apr

18

Viansa Wine Run 5k

Sonoma, California, United States

$30.00

Running

5K