Currently the toughest 100km trail run in Texas, as well as the oldest. It's beautiful, fun, and incredibly well-supported. Beginners are welcome. Come run amongst the best trail runners in the U.S. 100km, 50km, 25km. No whiners, wimps, or wusses.
A trail of rugged and brutal beauty where everything cuts, stings or bites.
Top male and female finishers of the 100km earn an automatic entry for the Western States 100.
We are also proud to once again host the 100km USA National Trail Championships.