5K races near Costa Mesa, California — 2026 running calendar
5 events found
May
01
The Hoag OC Marathon Running Festival
Costa Mesa, California, United States
Free - $174.00
Running
5K
Half-Marathon
Marathon
Charity Half Marathon
+15
Aug
09
The OC Fair Fun Run
Costa Mesa, California, United States
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
The Hoag OC Marathon Running Festival
Costa Mesa, California, United States
May 1, 2027 (Sat)
– May 2, 2027
Free - $174.00
Running
5K
Half-Marathon
Marathon
Charity Half Marathon
+15
The OC Fair Fun Run
Costa Mesa, California, United States
Aug 9, 2026 (Sun)
Running
5K
1.6K
Memorial Day 5K Virtual Run - Costa Mesa
Costa Mesa, California, United States
May 23, 2026 (Sat)
– May 25, 2026
Running
5K
NIGHT NATION RUN - ORANGE COUNTY
Costa Mesa, California, United States
May 9, 2026 (Sat)
Running
5K
2026 Mother's Day Virtual 5k - Costa Mesa
Costa Mesa, California, United States
May 9, 2026 (Sat)
– May 11, 2026
Running
5K