Grandmaster Ultras 2027

About the Event

🌵🏜️ 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 90, 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

Races Offered

100 KM

Feb 26, 2027

straighten

Distance — 100K

terrain

Type — Running

timer

07:00

sell

$205.00

100 Miler

Feb 26, 2027

straighten

Distance — 100 Miles

terrain

Type — Running

timer

07:00

sell

$235.00

50 KM

Feb 27, 2027

straighten

Distance — 50K

terrain

Type — Running

timer

07:00

sell

$140.00

50 Miler

Feb 27, 2027

straighten

Distance — 50 Miles

terrain

Type — Running

timer

07:00

sell

$160.00

Weather Overview

These values represent the 3-year monthly averages for February in Mesquite.

Temp (°C)

Feels Like (°C)

thermostat 4.7° / 16.4°

wb_sunny 0.6° / 12.1°

Wind (km/h)

Humidity (%)

air 9.5 /

water_drop 45.4%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 4.7° / 16.4°

wb_sunny 0.6° / 12.1°

air 9.5 km/h

water_drop 45.4%

About Mesquite

Learn more about the host city, Mesquite.

Mesquite is a city in Clark County, in Southern Nevada, about 80 mi (130 km) northeast of Las Vegas. It is immediately on the Nevada-Arizona border, near Utah. The town is on the north bank of the Virgin River, with the smaller settlement of Bunkerville on the south side of the river. Mesquite is a boomtown, attracting tourists and permanent residents. The town's population is about 19,000 (2018). Its biggest industry is tourism.