Flatrock 101

SEP
26
2026
Trail races in Independence, KS with 50K, 25K, 12K and 5K on a single-track Elk River course plus multiple aid stations and event support.
Sat 26 Sep 2026
50 kilometers 25 kilometers 12 kilometers 5 kilometers

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About the race

FlatRock in Independence, KS is a multi-distance trail event based at the Outlet Channel Group Shelter near Elk City Lake. The course is an accurately measured, primarily single-track forest trail that runs out and back along the Elk River Hiking Trail and passes limestone bluffs, rock formations, and scenic vistas.

Distances

  • 50K
  • 25K
  • 12K
  • 5K

Aid station coverage varies by distance. The 50K has 7 aid stations, five fully stocked with water, electrolyte drink, and snack-type foods including soup and sandwiches, and two water-only stations; spacing is about 3.5 to 5 miles. The 25K has 3 aid stations with similar provisioning and a water-only turn-around. The 12K has one fully stocked aid station. The 5K has no aid stations.

Race support and logistics include two packet pickup opportunities, with a Friday evening pickup offering a pre-race spaghetti dinner with vegetarian and gluten-free options, and a Saturday morning pickup beginning at 5:30am. Drop bags and crew access are allowed only for the 50K at OakRidge and the turn-around; drop bags should be shoebox size, waterproof, and clearly marked. Complimentary race photos are provided by Mile 90 Photography.

The event is part of the FlatRock Triple Crown; finishing WinterRock 25K, FlatRock 101K, and FlatRock 50K earns a special award. Policies cover deferral credit on a sliding scale, volunteer benefits including registration discounts, a military discount, DNF/DQ procedures, and basic race rules such as no littering and leashed animals. Runners are responsible for their own medical readiness; local EMS is used for emergencies. Visit the organization's website for the most recent information.

50 km
50k
25 km
25k
12 km
12k
5 km
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