Grandmaster Ultras
About this race
🌵🏜️ Grandmaster Ultras: Arizona Strip Adventure – Exclusively for Runners 50+!
Escape to the warm, sun-drenched Arizona Strip for an unforgettable ultrarunning experience! Conquer miles of rugged ATV trails, stunning desert vistas, Joshua trees, rocky canyons, and endless blue skies. This is your chance to test your grit on remote, beautiful terrain in the heart of the high desert—where every step feels like a true adventure.
Event Highlights:
- 100 Miler & 100K: Epic loops with 48-hour cutoffs – start Friday 8:00 AM MST
- 50 Miler & 50K: Double the fun (or single for 50K) – start Saturday 8:00 AM MST with 24-hour cutoffs
- Pacers allowed for 100M/100K after the first lap or when darkness falls; 50K/50M pacers permitted if finishing in the dark. Runners 70+ get pacers from the start in ALL distances—because experience deserves every advantage!
The Course – Pure Desert Magic
The heart of the event is the challenging 50K clockwise Thelma & Louise Loop (plus a 6.2-mile out-and-back), with ~1,580 ft elevation gain/loss. Drop into a thrilling tunnel at mile 0.6, climb steep hills, cruise rocky ATV trails, and hit the iconic Thelma & Louise overlook at mile 19—breathtaking views of Beaver Dam Wash that feel straight out of a classic adventure film! Max elevation ~2,605 ft, min ~1,722 ft.
- 50 Miler: Double the Thelma & Louise Loop before heading home (~2,450 ft gain/loss)
- 100K: Two full 50K loops
- 100 Miler: Two full 50M loops for the ultimate endurance test
Aid stations at Oasis, Cross Roads (water), Junction, Cattle Gate, Overlook, and more—stocked with friendly volunteers ready to fuel your journey.
Start/Finish Location: Lat 36.8272085438359, Long -113.997853251625 (just off Hwy 91, you can get there by regular car)
Garmin Course Profiles:
50K: https://connect.garmin.com/modern/course/257650669
50M: https://connect.garmin.com/modern/course/edit/257652206
This is more than a race—it's a celebration of grandmaster runners pushing limits in one of the most scenic, untamed corners of the Southwest. Register now and claim your piece of Arizona Strip glory! 💪🔥
Who's ready to run wild under the desert sun 🏜 ?
#GrandmasterUltras #ArizonaStripUltra #50PlusStrong #ThelmaAndLouiseLoop #DesertAdventure #UltraRunning
Pick your distance
Trail running
100 Miler
Early start option is available, run can request to start at Friday 6am.
100 KM
50 Miler
50 KM
Typical race-day weather
Based on 3 years of Open-Meteo archive data for this event's race dates in Mesquite, plus the 3 days either side.
The sun rises at 6:10 AM and sets at 5:27 PM local time (PST) in Mesquite on February 26, 2027 — 11h 16m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Results — Grandmaster Ultras
Other races near Mesquite
Different organizers, within 40 miles, in the next three months
Fire Fest Ultra
Fun Run Spooktacular
Run Run Reindeer 5K Fun Run
Running Scared 5K/13K - St. George
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Mesquite events
Spotted something wrong? Tell us and we'll fix it.