2026 FlatRock 101

The 2026 FlatRock 101 takes place on April 18, 2026, in the Elk City Lake area of Independence, Kansas. The event is held on the Elk River Hiking Trail, a scenic single-track trail that features rocky terrain, limestone bluffs, and river views. Participants can expect a challenging yet rewarding experience, with the 101K race being a double out-and-back course that repeats across all distances. The event is known for its unique landscape and historical significance, having been the first and oldest trail ultra in Kansas. The weather in Independence on April 18 is expected to be mild, with temperatures ranging from 45°F to 60°F and mostly clear skies, making for ideal trail running conditions.

What distances are available for this event?

• →101K race
• →50K race
• →25K race
• →12K race
• →5K race

What are the start times and cutoffs for each distance?

• →101K: Starts at 7:00 AM with a 24-hour cutoff
• →50K: Starts at 7:00 AM with an extended cutoff aligned with the 101K final cutoff
• →25K: Starts at 7:15 AM with an extended cutoff aligned with the 101K final cutoff
• →12K: Starts at 7:15 AM with a 5-hour cutoff
• →5K: Starts at 7:15 AM with a 2-hour cutoff

How many aid stations are available for each distance?

• →101K: 15 aid stations, including 11 fully stocked (water, electrolytes, snacks, soup, sandwiches) and 4 water-only
• →50K: 7 aid stations, including 5 fully stocked and 2 water-only
• →25K: 3 aid stations, including 2 fully stocked and 1 water-only (at the turnaround)
• →12K: 1 fully stocked aid station
• →5K: No aid stations

Where is the race headquarters and packet pickup located?

Race HQ is at the Outlet Channel Group Shelter on the north side of the Elk City Lake dam. Packet pickup is available on Friday, April 17, from 5:00 PM to 8:00 PM, and on Saturday, April 18, from 5:30 AM until the race starts.

Are drop bags allowed for this event?

Drop bags are allowed for 50K and 101K runners only. Drop bag locations include OakRidge, The Turnaround, and Start/Finish. Bags must be shoe-box sized, clearly labeled with the runner’s name, bib number, and designated aid station, and must be waterproof and secure. Drop bags will be returned to the Outlet Channel Group Shelter as aid stations close.

Is crew access allowed for this event?

Crew access is allowed for 50K and 101K runners only at OakRidge, The Turnaround, and Start/Finish.

Are pacers allowed for this event?

Pacers are allowed only for 101K runners and only after completing the first 50K. Pacers may join at any crew-accessible aid station on the second 50K loop. Each pacer must sign a waiver.

What is the FlatRock Triple Crown?

The FlatRock Triple Crown is a special award for runners who complete all three races:

• →WinterRock 25K (January 3, 2026)
• →FlatRock 101K (April 18, 2026)
• →FlatRock 50K (September 26, 2026)

What course routes are available for the event?

Course routes can be viewed on Strava: 12K ↗, 25K ↗, 50K ↗, and 101K ↗.