Tejas Trails hosts 15 Trail Running Races and 1 Road Race throughout Texas, in distances ranging from 5K to 100 miles. The races appeal to trail-running rookies, elites, walkers, racers, and everyone between. For avid ultrarunners, Tejas Trails has three challenges that require you to race multiple events. They each provide a unique and life-altering experience, as well as great awards.