Road running

OC Fair 5k

📅 August 8, 2027 (estimated date)📍 Costa Mesa · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (August 9, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

3.1 mi1 mi

About

The OC Fair 5k is a fun run open to everyone at the OC Fair & Event Center in Costa Mesa, California, on August 8, 2027. Both The OC Fair Fun Run 5K and The 1.1 Mile Carnival Detour Dash start at 8 a.m.

Participants run or walk through the grounds before the fair opens, with carnival-themed detours and photo ops along the way. Registration includes a tech T-shirt, a finisher medal, a keepsake timing chip and free race photos.

A virtual option is also available, allowing participants to cover the distance on their own schedule and receive their race kit by mail.

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Races nearby

Other upcoming races around Costa Mesa.