Dinosaur Valley Endurance Run

Join the premiere 100 mile trail running event in North Texas…The Big Cedar Endurance Run 100 mile Ultra-marathon!

The race takes place at the highest point in the city of Dallas, Prayer Mountain, which is home to the Big Cedar Wilderness Trail system. With rolling hills, the trails offer up some pretty views on a clear day.

This trail is a system of smaller loops that in a specific combination with course markers becomes the race course! With rolling hills, the trails offer up some pretty views on a clear day. The Big Cedar trails are primarily wooded but have field segments as well. Terrain is varied with mostly single track dirt trail that has some rocky bits and some rooty bits.