FlatRock

APR
17
2027
Trail races from 5K to 101 Mile on the Elk River Hiking Trail in Independence Kansas, with multiple aid stations, drop bag and crew options.
Sat 17 Apr 2027
101 miles 101 kilometers 50 kilometers 25 kilometers 12 kilometers 5 kilometers

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FlatRock 101 : April 17, 2027

FlatRock 101 is a trail event organized by FlatRock Race Series in Independence, KS at Elk City Lake and the Elk River Hiking Trail. The event offers multiple distances and a range of race support options.

Distances:

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

The main course is a double out and back on a measured forest trail. The route passes limestone bluffs, rock formations, and viewpoints. Much of the course is single-track and very rocky, with no long hills reported.

Aid stations and support vary by distance. The 101 Mile race has 24 aid stations, 18 fully stocked and 6 water-only; the 101K has 15 aid stations, 11 fully stocked and 4 water-only. The 50K and 25K have fewer aid stations proportionally; approximate spacing is about 3.5 to 5 miles between stations. Drop bags are allowed for 50K, 101K, and 101 Mile and must be clearly marked and kept to a small size.

Crew access is permitted for 50K, 101K, and 101 Mile at Oak Ridge, the Turnaround, and the Start/Finish. Pacers are allowed for 101K and 101 Mile under specified conditions. Packet pickup includes a Friday evening session with a spaghetti dinner and vegetarian/gluten free option, and an additional session on race morning. Volunteer benefits and a military discount are available. Registration closes April 11, 2027. Visit the organization's website for the most recent information.

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