Union Founder's Day 10K | 5K
When is Union Founder's Day 10K | 5K?
Union Founder's Day 10K | 5K takes place on Saturday, May 9, 2026 in Union, MO.
What distances does Union Founder's Day 10K | 5K offer?
Union Founder's Day 10K | 5K offers 2 events: 5K, 10K.
| Event | Distance | Price | |
|---|---|---|---|
| 5K | 5.0 km | $25.00 | Register |
| 10K | 10.0 km | $30.00 | Register |
How much does Union Founder's Day 10K | 5K cost?
Registration for Union Founder's Day 10K | 5K starts at $25.00. Prices vary by event distance.
Where is Union Founder's Day 10K | 5K held?
Union Founder's Day 10K | 5K is held in Union, MO at 201 E Main Street.
About Union Founder's Day 10K | 5K
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.
Packet Pick-up
Friday, 5/8/26
Location and time TBD
Race day, 5/9/26
4:00 - 5:30 PM
Courthouse Square (near 201 E Main St)
In-person registration will also be available at these times
Awards
Medals will be awarded to the top overall male and female in the 10K and 5K and the top 3 male and female in each age group for 10K & 5K. Age groups are 14 & under, 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+.