Grandmaster Ultrarunning Event

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About Event


Welcome Grandmaster Runners

Welcome to the warm and sunny Arizona strip for an ultrarunning event! This event is exclusively for runners 50+ year old. Come and enjoy miles trail running on ATV trails and beautiful scenery in the desert. 

100 miles and 100k have 48 hours cutoff, 50K and 50 mile runners start on Saturday, they will have 24 hours to finish.

Pacers are allowed for 100 miles, 100k and 50 miles after first lap of 31 miles. For any runners over 70 years old, pacers are allowed from the start.


Course Description

The course is 31 miles loop with elevation gain of 2294 feet, minimum elevation is at 1800 feet, max at 2500 feet. 7 miles on rough country road, and 24 miles on ATV trails. 50 mile runners will do one 31 mile loop and one 19 mile loop. 100 mile runners will run 50K loop 3 times, and a 3.5 miles out and back. 

50k runners will run the 31 mile loop,  100k runners will run the loop twice.

Click here  for 31 mile loop route map and elevation profile. 

We will have aid stations every 6 miles.


Aid Stations

We will have aid stations every 5 to 6 miles. Exact location info will be available soon. 


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Grandmaster Ultras