Somewhat Fat-*** Style Event to kick-off 2025! Very LIMITED aid (unmanned). Frito Chili Pie and other Post-Race food will be available.

Shirts and Medallions will be given at 2025 WinterRock!!!

The history behind these races is immense with FlatRock being the first and oldest trail ultra in Kansas!! This is a must run trail series. Come see this unique aspect of Kansas like you have never experienced it before!

Event Schedule:

Both races start at the Outlet Channel Shelter.

Short pre-race briefing at 10:50am

25K & 12K start - 11am

Race cutoff is 4pm.

Click Here for Registration: