
From the Organizer
Run, walk, or skip through the OC Fair!
Choose between the 5K or the 1.1 mile carnival detour dash.
August 10, 2025
OC Fair & Event Center | 88 Fair Dr. Costa Mesa CA
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Healing Hearts Day 2026: Walk/Run/MOVE! for Suicide Prevention
The Big Run Presented by Brooks and Fleet Feet Santa Rosa
Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES
Run for PB& J 5K/10K/13.1 SAN DIEGO
Frequently Asked Questions (FAQs)
The OC Fair Fun Run
Aug 9, 2026