Texoma Challenge

Denison, United States • 7 Jun 2025

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 rolling hills and approximately 500 feet of elevation gain per loop, set in the foothills of North Texas. Participants must bring their own hydration system as no cups are provided. The event offers awards for top finishers and special recognition for last place in the 50K. Ruck participants must carry weighted packs based on their body weight. Visit the organization's website for the most recent information.

Race information

50 km
50k
50 km
50k Relay
26 mi
Marathon
13 mi
Half Marathon
10 km
10k
10 km
10k Ruck
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

The Firecracker Trek Denison is a trail running event held at Waterloo Lake Park in Denison, Texas, featuring 5K and 10K distances. The course offers a scenic and challenging experience with technical rock and dirt single-track trails, rocky and rooty sections, bridges, rolling hills, red rock cliff..

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..