There are 682 5K races in California scheduled for 2026. The next is the TSCL 4th Annual Mental Health 5K Run & Walk in Claremont on May 30. California 5K races run primarily May through February.

5th Annual ProYouth Color Run

Sat, May 30 · Visalia, CA Visalia
ProYouth 2 mile Color Run (Adult) (No Shirt)ProYouth 2 mile Color Run (Student/Child)ProYouth 2 mile Color Run (Student/Child) (No Shirt) +4