Grandmaster Ultras

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 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.

For general questions about the event, please see this Facebook post.

Course Description

The main course is 50K out and back with clockwise Thelma Louise loop, elevation gain and loss of 1580 feet, minimum elevation is at 1722 feet, maximum at 2605 feet, at mile 19, you will reach Thelma Louise site.

50 miler course will run Thelma Louise loop twice before returning to start/finish, total elevation gain and loss 2450 feet.

100 miler runners will run 50 miler course twice.

100K runners will run 50K course twice.

Aid Stations

We will have aid stations every 4 to 7 miles.

50 mile course will have aid station at

Cross Roads water stop: mile 6.2 and 24.7
Junction: mile 9.8 and 28.3
water stop: mile 14 and 32.7
Cattle Gate: mile 17.2 and 36
Overlook: mile 23.7 and 42.6
Cross Roads water stop: mile 43.6
Start/Finish: mile 50

50k course will have aid station at

Cross Roads water stop: mile 6.2
Junction: mile 9.8
water stop: mile 14
Cattle Gate: mile 17.2
Overlook: mile 23.7
Cross Roads water stop: mile 24.7
Start/Finish: mile 31