Union Founder's Day 10K | 5K
About the Event
Proceeds from the race will benefit the Union R-XI Foundation.
Join us for the 48th Annual Founder's Day Run presented by the Union R-XI Foundation. Since the Union R-XI Foundation took over this event, the race has returned to its roots with an evening start during Union's annual Founder's Day Festival. Being the oldest and longest-standing road race in Franklin County and one of the oldest in the St. Louis metro area, the Founder's Day Run has been known to be a tough race. This year will be no different.
Come early and bring your family to see what Founder's Day has to offer. Then after you finish your race grab yourself a FREE beer (21 and over) and stick around and enjoy some live music. Founder's Day is an annual family-friendly event and takes place at the courthouse square in downtown Union, MO. The celebration is sponsored by the Union Parks & Recreation Department and local businesses with the primary goal of bringing our community together to celebrate our great city. The festivities include a cornhole tournament, food trucks, music, and more.
The Union R-XI Foundation is a 501(c)(3) tax-exempt nonprofit, charitable organization that supports the students, staff, facilities, and programs of the Union R-XI School District. To learn more about the Foundation please visit https://www.rxifoundation.org/.
Early-bird registration: Now through 4/9/26
Late registration: 4/10/26 - Race Day**
Online registration ends 5/6/26
**Registrations submitted after 4/9/26 are NOT GUARANTEED A SHIRT.
Join fellow runners on May 9, 2026 for the Union Founder's Day 10K | 5K. It's a fantastic 10K, 5K featuring a flat and fast course in Union.
Races Offered
Running
10K
5K
About Union
Union Founder's Day 10K | 5K takes place in Union, Missouri, United States. The local timezone is America/Chicago.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.