5K Races in California
California has 399 upcoming 5K races scheduled for 2026. That is the 5th-highest event count for 5K races of any state. The calendar runs year-round — busiest in June, July, and September, quietest in March through May. No single city dominates the calendar. Long Beach leads with 74 races, followed by San Diego (42), Los Angeles (41), and Sacramento (30). The remaining 53% of the calendar is spread across smaller cities.
5K races by month in California
Jul (66) · Jun (54) · Sep (53) · Oct (52) · Aug (46) · Nov (46) · Dec (38) · Feb (12) · Jan (11) · Mar (8) · May (7) · Apr (6)
Showing 24 of 399
Running
Alive & Suffering Running Club's 5k Pride Run
Los Angeles, CA
Alive & Suffering Running Club's 5k Pride Run
Running
Good Vibes Run – 5K, 10K, 10M, and Half Marathon
Long Beach, CA
Good Vibes Run – 5K, 10K, 10M, and Half Marathon
Running
Happy Father's Day 5k, 10k, 15k, Half Marathon
Van Nuys, CA
Happy Father's Day 5k, 10k, 15k, Half Marathon
Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs
Running
Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs
Long Beach, CA
