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Running Calendar near Costa Mesa 2025-2026

Explore the top running races near Costa Mesa for 2025-2026! We've gathered 147 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
October 2026
Oct
24
Saturday

Caspers Trail Races

Trail Run 10 km Half Marathon ... Marathon 50 km
Oct
25
Sunday

Trick or Trot Half Marathon

5 km 10 km Half Marathon
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km Half Marathon Marathon
Nov
7
Saturday

Fall Classic Triathlon

Triathlon
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
June 2027
Jun
5
Saturday

Wrigley River Run

5 km 10 km 10 mi 13 mi
August 2027
Aug
15
Sunday

Heroes 4 Hearing 5K

5 km
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