Flatrock 101

FlatRock 101 is a renowned trail ultramarathon held near Independence, Kansas, featuring distances of 101K, 50K, 25K, 12K, and 5K. The course is a double out-and-back on the scenic Elk River Hiking Trail, showcasing limestone bluffs, rock formations, and forested single-track paths with rocky terrain but no long hills. The event is part of the FlatRock Triple Crown Series, which includes the WinterRock 25K and FlatRock 50K races.

Aid stations are well-stocked with food and drinks, and the race offers a supportive atmosphere with pre-race dinners and volunteer benefits. It is the oldest trail ultra in Kansas, celebrated for its challenging yet picturesque course. Visit the organization's website for the most recent information.