Firecracker Trek Denison

The Texoma Challenge is an endurance running event held at Waterloo Park in Denison, Texas, featuring multiple race distances including a 5K, 10K, 10K Ruck, Half Marathon, Marathon, 50K, and a 50K Relay. The course consists of a 6.2-mile loop of unique, rooty, and dirt single-track trails with rolli..

The Caveman Challenge at Waterloo Lake in Denison, TX, is an inaugural trail running event offering multiple distances including 50K, marathon, half marathon, 10K, 5K, and a fun run/lake walk. The course features a rugged trail with dirt, rocks, roots, and scenic views overlooking Waterloo Lake. A u..

The Backland is a challenging last-man-standing trail race held near the Texas-Oklahoma border at Walnut Creek Resort & Marina in Gordonville, TX. Participants run a 4.5-mile loop called a "land" and must complete each loop within one hour to continue. The race continues hourly until only one runner..

The Cross Timbers Trail Run, held annually in Gordonville, Texas, is the oldest trail running event in the state, celebrating its 45th edition in 2026. Set along the rugged shoreline trails of Lake Texoma, the race offers a variety of distances including a 5-mile run, half marathon, marathon, and a..