Flatrock 101

APR
18
2026
A scenic trail event at Elk City Lake near Independence, KS, offering **101K**, **50K**, **25K**, **12K**, and **5K** on a rocky, single-track course with multiple aid stations and support options.
Sat 18 Apr 2026
101 kilometers 50 kilometers 25 kilometers 12 kilometers 5 kilometers

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FlatRock 101 : Independence, KS

FlatRock 101 is a trail running event at Elk City Lake near Independence, Kansas, offering multiple distances on the Elk River Hiking Trail. The course is a double out-and-back on an accurately measured forest trail that passes limestone bluffs, rock formations, and scenic vistas. The trail is mostly single-track, very rocky, and does not feature long hills.

Offered distances:

  • 101K
  • 50K
  • 25K
  • 12K
  • 5K

Aid station support varies by distance. The 101K has 15 aid stations, 11 fully stocked and four water only, with typical spacing of 3.5 to 5 miles. The 50K has seven aid stations, the 25K three, the 12K one, and the 5K has no aid stations. Fully stocked stations include water, electrolyte drink, snack-type foods, and items such as soup and sandwiches.

Logistics notes include two packet pickup opportunities, a Friday evening pre-race spaghetti dinner with vegetarian and gluten-free options, and campsite and motel lodging options near the start area. Drop bags and crew access are permitted only for the 50K and 101K with specific collection and drop locations. Pacers are allowed for 101K runners only after completing the first 50K. Trekking poles and leashed dogs are permitted. Race rules cover course order, littering, and conduct; DNF and DQ handling are specified. Visit the organization's website for the most recent information.

101 km
101k
50 km
50k
25 km
25k
12 km
12k
5 km
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