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Dinosaur Valley Endurance Run

Auf Einen Blick

Distanz Ultramarathon

Über 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.



  • 100km

Half Marathon

  • 21,097km

5 Mile

  • 8,0467km

100 Miler

  • 160,934km


  • 50km



There are three aid stations along the course. These will be stocked with water, electrolyte drink and cold and hot food (in the night).


Top 3 Overall male and female First place male and female in the following age groups: 00-29, 30-39, 40-49, 50-59, 60-99 There is no prize money. Every finisher receives a buckle. There will be one buckle for those who finish under 24 hours and a different buckle for those who finish under the official cutoff of 32 hours.

Maximale Zeit

There is no final cutoff time, but there are incremental time limits for runners to get to the aid stations.


or GPS, use the address 7532 Saddleridge Dr, Dallas, TX to map to get to the parking area. Parking will be $6 cash per car, and the pass is good for the entire race weekend.You will be given a parking pass so that you can come and go after the first time you park. Leave the parking pass on your dashboard. You can buy the parking pass at race week packet pickup too.


Timing chip will be attached to an ankle strap and must be worn at all times. There will be at least one timing mat besides the one at the start/finish somewhere out on the race course; the location off these mats will not be announced. Failure to register on multiple timing mats or incredibly inconsistent timing splits between timing mats may result in investigation and potential disqualification.


Prayer Mountain



Lush, green vegetation lines the trail.


The course is a one-way traffic 16.67-mile loop.100 Miles: 6 x 16.67-mile loops.

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