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Caveman Challenge at Waterloo Lake

Denison, United States • 11 Oct 2025

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 unique highlight of the race is a cave located mid-course, adding an adventurous element to the run. The event encourages participants to tap into their endurance and enjoy the natural terrain and surroundings, making it a challenging and scenic outdoor experience for trail runners of various levels. Visit the organization's website for the most recent information.

United States Texas Denison

Race information

Website Registration
50 km
50k
26 mi
Marathon
13 mi
Half Marathon
10 km
10k
5 km
Fun Run/lake Walk
Visit the organization's website for the most recent information.
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