Union Founder's Day 10K | 5K

Race Overview

• Event: Union Founder's Day 10K | 5K
• Date: 2026-05-09
• Location: 201 E Main Street, Union, MO
• Race URL: Sign Up Here

Charitable Cause

• Beneficiary: Proceeds from the race will benefit the Union R-XI Foundation.
• Foundation Type: 501(c)(3) tax-exempt nonprofit.
• Support: Supports students, staff, facilities, and programs of the Union R-XI School District.
• Learn More: For more about the Foundation, visit https://www.rxifoundation.org/.

Event Details

• History: 48th Annual Founder’s Day Run, oldest road race in Franklin County.
• Start Time: Evening start during Union's annual Founder’s Day Festival.
• Challenge: Known for being a tough race.
• Family-Friendly: An event for families with a variety of activities.

Festival Highlights

• Activities: Cornhole tournament, food trucks, live music, and more.
• Free Beer: Grab a FREE beer (21 and over) after your race.
• Community Goal: Bringing the community together to celebrate.
• Location: Courthouse square in downtown Union, MO.

Registration Information

• Early-bird Registration: Now through 4/9/26.
• Late Registration: 4/10/26 - Race Day.
• Online Registration Ends: 5/6/26.
• Shirt Guarantee: Registrations after 4/9/26 are NOT GUARANTEED A SHIRT.