United States
Oct
11
Saturday
The Mammoth at Dinosaur Valley
The The Mammoth at Dinosaur Valley will take place in Glen Rose on Saturday 11 October 2025. You can run between 5 and 100 kilometers. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
100 km
100k
50 km
50k
25 km
25k
10 km
10k
5 km
