Mile 0 Flint Hills Trail Race

The Mile 0 Flint Hills Trail Race is a flat and fast endurance event held in Osawatomie, Kansas. Scheduled for Saturday, April 25, 2026, the race takes place on the Flint Hills Trail, which is the longest public trail in Kansas and follows a historic rail corridor where trains operated for over a century. The course consists of crushed gravel, making it an ideal choice for first-time trail runners or those looking to set a personal best. Participants can choose from a 50K ultramarathon, a 20-miler, a 10-miler, or a Fun Run for any distance under 10 miles. The race emphasizes a supportive atmosphere, with organizers encouraging all athletes to finish their registered distance within the generous time limits.

Race Distance	Start Time	Time Limit	Top Performance ('23)
50K Ultra	7:00 AM	10 Hours	3:23:00 (Jacob Cofer)
20 Miler	7:00 AM	10 Hours	N/A
10 Miler	8:00 AM	8 Hours	N/A
Fun Run	8:30 AM	N/A	N/A

Osawatomie is a city in Miami County, Kansas, with a population of approximately 4,300 residents. The demographic profile of the city is 88.5% White (non-Hispanic), 4.1% Black or African American, 3.8% Hispanic or Latino, 0.5% Asian, and 0.4% Indigenous. The median annual household income in Osawatomie is approximately $52,000. Geographically, the city sits at the confluence of the Marais des Cygnes and Pottawatomie Creeks. In mid-April, the weather in eastern Kansas is typically mild but can be highly variable; average daytime highs reach 19°C (66°F) while overnight lows hover around 7°C (45°F). Runners should be prepared for potential wind and quick changes in cloud cover, which are common in the open prairie landscape of the Flint Hills. The event is managed by Midwest Endurance Race Co and provides participants with various perks, including unisex tri-blend shirts, finishers' medals, and professional race photography. Manned aid stations are positioned every 5 miles, stocked with Heed electrolyte drinks and a variety of snacks, while unmanned water stations are accessible every 2.5 miles. Packet pickup is available on Friday evening and race morning at the Mile 0 Trailhead. While the race has a no-refund policy, runners may defer their entry to the following year if requested at least 10 days before the event. Drop-down options are available during the race at the discretion of the directors, though these result in an unofficial recorded time.