Become a vendor at The OC Fair 5K Expo!

Join the fun! Promote your business and connect with 4,000+ runners at the OC Fair 5K on August 10th, 2025.

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A Special Thanks To Our Sponsors!

Interested in Sponsoring The OC Fair 5K?

Sponsorships can range from in-kind donations to monetary packages with digital and on-site activation. Please out the form below if you are interested in discussing sponsorship options.