Flatrock 101
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About the race
FlatRock 101 is a trail ultramarathon held near Independence, Kansas at Elk City Lake. The race offers 101K, 50K, 25K, 12K, and 5K distances. The course is a double out-and-back along the Elk River Hiking Trail, winding through limestone bluffs, rock formations, and scenic single-track with rocky footing and no long hills.
The event highlights Kansas trail heritage and the FlatRock Triple Crown; finishing all three races (WinterRock 25K, FlatRock101K, and FlatRock 50K) earns a unique award after a 176K journey. There are 15 aid stations for the 101K, a pre-race spaghetti dinner, and complimentary race photos by Mile 90 Photography. Trekking poles allowed; dogs on leash; race rules apply. Visit the organization's website for the most recent information.