February 8 - 9, 2019

Grandmaster Ultras

Littlefield, AZ 100 Miler, 100K, 50 Miler, 50K, 20 Miler, 1/2 Marathon, 10K

Registration closes: Wed, Feb 6 @ 11:59PM

Welcome Grandmaster Runners!

Welcome to the warm and sunny Arizona strip! Come and enjoy miles of ATV trails and beautiful scenery in the desert.

100 miles and 100k have 48 hours cutoff, but if you have option to start on Saturday to have 24 hours to finish your race, 50 mile runners also can choose to start on Friday, so you can have 48 hours to finish, just need to answer the start date question when you register.

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 1900 feet, minimum elevation is at 1800 feet, max at 2500 feet. 6 miles on rough country road, and 25 miles on ATV trails. 100k runners will run the loop twice, 100 mile runners will run it 3 times, plus 3.5 mile out and back.

Half marathon runners will run a 14 mile loop, with 450 feet gain. 10k course is 3+ miles out to Tri state monument sign and back on dirt road, with elevation gain of 300 feet.

Route maps and elevation profiles will be available soon.

We will have aid stations every 5 or 6 miles.

Local time: 3:23 AM

Start Times

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