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The Mammoth at Dinosaur Valley

Glen Rose, United States • 11 Oct 2025

The Mammoth at Dinosaur Valley is a family-friendly trail running event held in Glen Rose, Texas. It offers multiple race distances suitable for all abilities, including 100K, 50K, 25K, 10K, 5K, and a Mighty Mammoth 1K for kids. The race takes place on scenic trails, providing a true Texas trail race experience. The event emphasizes inclusivity and a welcoming atmosphere for runners of all levels. Participants can enjoy challenging courses set in the natural beauty of Dinosaur Valley State Park, making it a unique and memorable outdoor sporting event. Visit the organization's website for the most recent information.

United States Texas Glen Rose

Race information

Website
100 km
100k
50 km
50k
25 km
25k
10 km
10k
5 km
Mighty Mammoth 1k
Visit the organization's website for the most recent information.
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