Grandmaster Ultras
Feb 11-13, 2022 - Friday to Sunday
100 - 500 participants
Littlefield, Arizona
Trail 50k 50mi Ultra  100 k100mi  Welcome Grandmaster Runners

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Race Information

Grandmaster Ultras welcomes grandmaster runners to the warm and sunny Arizona strip for an ultrarunning event! The event is exclusively for runners 50+ years old. Enjoy miles of trail running on ATV trails and beautiful scenery in the desert.

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 runners start on Friday 8am MST and have 48 hours cutoff, 50K and 50 mile runners start on Saturday 8am MST, they will have 24 hours to finish.

Pacers are allowed for 100 miles and 100k. Pacer can start pacing on 2nd lap, or after 6:30pm from crew accessed aid station. For any runners over 70 years old, pacers are allowed from the start for all distances.