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Celebrate the 15th annual Garmin Dirty Kanza. Dirty Kanza is a solo, self-supported, non-stop, bicycling endurance challenge on the gravel and dirt roads of the Flint Hills region in east-central Kansas. In addition to the feature 200 mile challenge, 100, 50, and 25 mile route options are available along with the High school Race. The Flint Hills is one of only two remaining tracts of natural tall grass prairie in the entire world. This region is remote, rugged and unforgiving. It’s the perfect place for an ultra-endurance bicycling challenge.
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