Grandmaster Ultrarunning Event
Join us on Feb 26 - Feb 28, 2027!
Registration opens on May 4th, 2026
About Event
🌵 Grandmaster Ultras – Ultrarunning for Runners 50 and Better
Where age is just a number and the desert adventure begins.
Welcome to Grandmaster Ultras — the premier ultrarunning event created exclusively for runners 50+ years young!
Join a welcoming community of like-minded athletes who refuse to slow down. Run stunning ATV trails across the warm, sunny Arizona Strip near Mesquite, Nevada. Experience wide-open desert vistas, iconic viewpoints like Thelma & Louise, rolling hills, and that unforgettable high-desert magic under big blue skies.
Next Event: February 26 – 28, 2027
Mesquite, Nevada
Distances Offered:
- 50K — 1 full loop
- 50 Mile — Same route as the 50K, but with the scenic Thelma & Louise Loop run twice (~2,450 ft elevation gain)
- 100K — Repeats the full 50K course twice
- 100 Mile — Repeats the full 50 Mile course twice
All distances are run on the same beautiful, challenging course with generous cutoffs and plenty of aid.
Why Runners Love Grandmaster Ultras:
- Exclusive 50+ field — no pressure from faster younger crowds
- Supportive atmosphere with experienced crews, pacers (allowed for 100M/100K and all distances for 70+ runners), and fellow “grandmasters”
- Scenic desert trails with moderate elevation (approx. 1,580 ft per 50K loop / 2,450 ft per 50M loop)
- Excellent aid stations every 4–7 miles
- Buckles for all finishers + special “Old is Cool” awards
- Perfect for first-time 100-milers or seasoned veterans chasing PRs in a low-key, fun environment
2027 Start Times & Cutoffs
- 100 Mile & 100K: Friday, February 26 at 7:00 AM MST (48-hour cutoff)
- 50 Mile & 50K: Saturday, February 27 at 8:00 AM MST (24-hour cutoff)
Registration
👉 Registration opens May 4, 2026 on RunSignup : https://runsignup.com/Race/NV/Mesquite/GrandmasterUltras
Ready to run your best ultra after 50?
Whether you’re chasing a buckle, enjoying the journey, or simply proving that the best miles are still ahead — Grandmaster Ultras is your race.
Explore the full Course Guide (with new videos!), detailed maps, aid station info, and runner stories on the registration page.
Questions? Message us anytime — we’re here to help you have an unforgettable desert adventure.
Let’s make 2027 your year in the desert!
See you on the trails — stronger, wiser, and smiling.
— The Grandmaster Ultras Team Rds@grandmasterultras.com