Flatrock 101

SEP
26
2026
FlatRock in Independence, KS features a technical single-track out-and-back on the Elk River Hiking Trail with races of 50K, 25K, 12K and 5K. The event includes multiple aid stations, drop-bag and crew access for the 50K, and on-course race support.
Sat 26 Sep 2026
50 kilometers 25 kilometers 12 kilometers 5 kilometers

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FlatRock 50K and associated races

FlatRock in Independence, KS is a trail race event that offers multiple distances on the Elk River Hiking Trail. The course is primarily single-track, out-and-back, and passes through forested sections with limestone bluffs, rock formations, and scenic vistas.

Distances offered:

  • 50K
  • 25K
  • 12K
  • 5K

Aid stations vary by distance. The 50K has seven aid stations, five fully stocked with water, electrolyte drink, and snack-type foods including soup and sandwiches, plus two water-only stations. The 25K has three aid stations with two fully stocked and one water-only at the turn-around. The 12K has one fully stocked aid station. The 5K has no aid stations.

Logistics and support include two packet pickup opportunities with a Friday evening packet pickup that features a spaghetti dinner with vegetarian and gluten-free options. Drop bags are allowed only for the 50K at OakRidge and the turn-around; runners are responsible for clearly marking and retrieving their bags. Crews are permitted for the 50K at OakRidge and the turn-around. Complimentary race photos are provided by a race photographer.

Policies note that refunds are not offered; instead a sliding credit policy is available for future FlatRock events. Runners who do not finish are listed as DNF. Course cutting or misconduct can result in disqualification. Trekking poles are allowed. Dogs are permitted only on leash. Campsites with and without electricity and showers are available near the start area, and motels are available in Independence. 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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