5K races near Costa Mesa, California — 2026 running calendar
5 events found
Aug
09
The OC Fair Fun Run
Costa Mesa, California, United States
$35.00
Running
5K
1.6K
May
23
Memorial Day 5K Virtual Run - Costa Mesa
Costa Mesa, California, United States
Running
5K
May
09
NIGHT NATION RUN - ORANGE COUNTY
Costa Mesa, California, United States
Running
5K
May
09
2026 Mother's Day Virtual 5k - Costa Mesa
Costa Mesa, California, United States
Running
5K
May
02
The Hoag OC Marathon Running Festival
Costa Mesa, California, United States
Running
5K
Half-Marathon
Marathon
+11
The OC Fair Fun Run
Costa Mesa, California, United States
09 Aug, 2026 (Sun)
$35.00
Running
5K
1.6K
Memorial Day 5K Virtual Run - Costa Mesa
Costa Mesa, California, United States
23 May, 2026 (Sat)
– 25 May, 2026
Running
5K
NIGHT NATION RUN - ORANGE COUNTY
Costa Mesa, California, United States
09 May, 2026 (Sat)
Running
5K
2026 Mother's Day Virtual 5k - Costa Mesa
Costa Mesa, California, United States
09 May, 2026 (Sat)
– 11 May, 2026
Running
5K
The Hoag OC Marathon Running Festival
Costa Mesa, California, United States
02 May, 2026 (Sat)
– 03 May, 2026
Running
5K
Half-Marathon
Marathon
+11