St. Charles Runners Club Flat Five

AUG
2
2026
A community running event in downtown St. Charles with a 5 Mile race, 1 Mile fun run and Toddler Trot on the Katy Trail plus on-site results and post-race food.
Sun 2 Aug 2026
5 miles

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St. Charles Runners Club Flat Five

The St. Charles Runners Club presents the 45th running of the Flat Five on August 2, 2026, with the start and finish located in Frontier Park in downtown St. Charles. The event uses the Katy Trail for most of the route to reduce impact on city streets.

Distances include:

  • 5 Mile race
  • 1 Mile fun run/walk
  • Toddler Trot (approximately 50 yards)

The 5 Mile course is an out-and-back on the Katy Trail. Course marshals will be stationed at road crossings, the water stop, and the turnaround. A lead and a trailing bike will be used to monitor the field and assist with safety.

There will be two water stations on the Katy Trail, one just north of DuSable Park and one south of DuSable Park, with volunteers handing out cups. Participants are encouraged to bring their own water.

Packet pickup is available at Fleet Feet St. Charles on Saturday, August 1 from 10:00 am to 4:00 pm, and there is race morning pickup at Frontier Park. Live race results will be provided on-site via text message and email. Awards for the 5 Mile will recognize the top three male and female overall finishers and the top three male and female finishers in these age groups: 19 & Under, 20-29, 30-39, 40-49, 50-59, 60-69, 70 & Over. Awards left unclaimed will be available for pickup beginning Wednesday, August 6 at Fleet Feet St. Charles.

Post-race food will be provided at the Frontier Park Bandstand. 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. Visit the organization's website for the most recent information.

5 mi
5 Mile
1 Mile Fun Run/walk
Toddler Trot
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