Grandmaster Ultras

Grandmaster Ultras is an ultrarunning event held in the warm, scenic Arizona Strip near Mesquite, Nevada, designed exclusively for runners aged 50 and above. The race features multiple distances: 50K, 50 miles, 100K, and 100 miles, with cutoffs of 24 hours for shorter distances and 48 hours for longer ones. The course primarily follows rugged ATV trails, including the notable clockwise Thelma Louise loop, with elevation gains ranging from 1,580 to 2,450 feet depending on the distance.

Aid stations are spaced every 4 to 7 miles, and pacers are allowed under specific conditions. The event offers a challenging desert trail running experience amid beautiful natural surroundings. Visit the organization's website for the most recent information.