5K Races in California
California has 400 upcoming 5K races scheduled for 2026. The calendar runs year-round — busiest in September through November, quietest in April through June. No single city dominates the calendar. Long Beach leads with 75 races, followed by Los Angeles (47), San Diego (39), and Sacramento (30). The remaining 52% of the calendar is spread across smaller cities.
5K races by month in California
Sep (64) · Oct (62) · Nov (59) · Aug (56) · Dec (44) · Jul (36) · Jan (22) · Feb (21) · Mar (12) · Apr (10) · May (9) · Jun (5)
Showing 24 of 400

LOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MARATHON & MARATHON
Running
Splash and Dash 5K GP and JGP Event #1
Goleta, CA
Splash and Dash 5K GP and JGP Event #1

Popsicle Dash - Free Community Event - 5K by Califlow Runs
Running
2026 Strawberry Fields 5K & 2K
Oxnard, CA
2026 Strawberry Fields 5K & 2K
Running
Popsicle Dash - Free Community Event - 5K by Califlow Runs
Long Beach, CA
Popsicle Dash - Free Community Event - 5K by Califlow Runs
Running
10th Annual We Run Richmond 5K
Richmond, CA
10th Annual We Run Richmond 5K

CaliFlow Verano Run - Griffith Park Summer 5K • 10K • 1 Miler
Running
I'm Your Huckleberry 5K (Sponsored by AREC)
Long Beach, CA
I'm Your Huckleberry 5K (Sponsored by AREC)
Running
LBC - Good Vibes Run 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, CA















