Running Races in Costa Mesa, CA

Costa Mesa, California has 3 upcoming running races, from 5Ks to marathons. Browse by vibe, difficulty, and community fit to find the right race for you.

3 upcoming races listed

Fun races Scenic races Competitive races Quirky races Festive races For a Cause races Beginner-friendly

Hoag Kids Run The OC

A rewarding final mile event for kids completing a 10-12 week school-based fitness program in Orange County.

Sat, May 2, 2026, 8:00 AM PDT1 MilesCosta Mesa, CA

EasygoingRUN

Course · Rolling · Family-oriented

The Hoag OC Marathon Running Festival

Discover Orange County's beauty on a scenic marathon course, then celebrate your achievement at a lively finish festival.

Fun
Scenic
Festive

Sun, May 3, 2026, 5:30 AM PDT26.2 MilesCosta Mesa, CA

Push PotentialRUN

Course · Rolling · Family-oriented

NIGHT NATION RUN - ORANGE COUNTY

Run, dance, and celebrate under the lights at this 5K music festival, complete with DJs, light shows, and an epic after-party, all for a great cause.

Fun
Quirky
Festive
For a Cause

Sat, May 9, 2026, 8:00 PM PDT5KCosta Mesa, CA

EasygoingRUN

Course · Rolling · Timed race

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Browse by distance in Costa Mesa, CA

5Ks in Costa Mesa, CA 10Ks in Costa Mesa, CA Half Marathons in Costa Mesa, CA Marathons in Costa Mesa, CA