The Dirty Kanza Extra Large is a ~350 mile long ultra-endurance bicycling challenge, held on the gravel roads through the Flint Hills region of east-central Kansas.

The event will begin on Friday, May 31st, 2019. This extreme challenge is reserved solely for the hardiest of gravel enthusiasts. Participation will be limited and by application only. More details regarding the application process will be released soon.

Website by IM Design Group