Unbound Gravel, formerly know as Dirty Kanza Promotions, was founded in 2006 by Jim Cummins, with the assistance of fellow cycling enthusiast Joel Dyke. At that time, gravel grinding was just beginning to catch the interest of the endurance cycling community. However, Jim had grown up in the Flint Hills of east central Kansas and had been riding gravel for decades. Inspired by some of the early gravel grinder events… and convinced the Flint Hills had the best gravel to be found anywhere in the world, Jim and Joel decided to create Dirty Kanza 200.

Initially, these two gravel aficionados had no idea the extent to which this whole gravel grinding thing would grow, nor did they give it any real thought. That wasn’t what motivated them. They both simply felt their lives had been enriched through cycling. And DK200 was their attempt to give back to the cycling community.

Since then, the popularity of gravel grinding has exploded and is now the fastest growing genre in the cycling industry. The popularity of DK200 has grown too, from 34 participants in 2006, to over 3,400 registered riders in 2019. And while that growth has brought with it a few changes to our format and the way we have to manage certain aspects of the event, one thing has remained constant… DK200 is a grass-roots event, organized and managed by folks who are passionate about cycling, and done so for the primary purpose of providing life-enriching cycling experiences for our event participants.

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Peak Events & Outdoor Experiences

Unbound Gravel (Dirty Kanza)

Unbound Gravel (Dirty Kanza)

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