St. Charles Runners Club Flat Five
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St. Charles Runners Club Flat Five : Frontier Park, St. Charles
The St. Charles Runners Club presents the 45th Flat Five on August 2, 2026, with a start and finish in Frontier Park in downtown St. Charles. The main course is an out-and-back on the Katy Trail to reduce impact on city streets; course marshals will be positioned at road crossings, the water stop, and the turnaround. A lead and a trailing bike will monitor the course.
Event distances:
- 5 Mile timed race
- 1 Mile fun run/walk, untimed
- Toddler Trot, approximately 50 yards, untimed
There are two water stations on the Katy Trail, located just north and just south of DuSable Park, where volunteers will hand out cups. Participants are encouraged to bring their own water. Post-race food will be available at the Frontier Park bandstand.
Packet pickup is available prior to race day at Fleet Feet St. Charles and on race morning at Frontier Park. 5 Mile registrants receive a soft-style short sleeve shirt; 1 Mile participants may purchase a shirt for an additional fee. Swag inventory may be limited near the event date.
Awards for the 5 Mile will be given to the top three male and female overall finishers and to the top three male and female in age groups: 19 & Under, 20-29, 30-39, 40-49, 50-59, 60-69, and 70 & Over. Live race results will be provided on-site. Visit the organization's website for the most recent information.
