Nevada · 100 Miler · 100K · 50 Miler
Grandmaster Ultras
Grandmaster Ultras is a 100 Miler, 100K, 50 Miler and 50K event held in Mesquite, Nevada. Its next confirmed date is Friday, February 26, 2027. About 250 runners take part across all distances.
- Race day
- February 26, 2027
- Location
- Mesquite, NV
- Field size
- ~250 runners
Race details
- Date
- Friday, February 26, 2027
- Location
- Mesquite, Nevada
- Distances
- 100 Miler, 100K, 50 Miler, 50K
- Field size
- About 250 runners
- Course
- Rolling high-desert ATV trail; official figures: ~1,580 ft gain/loss on the 50K loop (min 1,722 ft / max 2,605 ft), ~2,450 ft gain/loss on the 50 Mile loop.
- Registration
- runsignup.com
- Official website
- grandmasterultras.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $140 (from runsignup.com, checked September 27, 2026)
- Start time
- 7:00 AM PST
- Course profile — 50K
- Loop course; Trail surface; 1580 ft gain, 1580 ft loss (official course data)
- Course profile — 50 Mile
- Loop course; Trail surface; 2450 ft gain, 2450 ft loss (official course data)
- Course profile — 100K
- Loop course; Trail surface
- Course profile — 100 Mile
- Loop course; Trail surface
- Typical race-day weather
- about 53°F at the start, 49% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 27, 2026)
About the Grandmaster Ultras
🌵🏜️ 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 w…
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Grandmaster Ultras: common questions
- When is the Grandmaster Ultras?
- The next confirmed date is Friday, February 26, 2027.
- Where is the Grandmaster Ultras held?
- In Mesquite, Nevada.
- What distances does the Grandmaster Ultras offer?
- 100 Miler, 100K, 50 Miler and 50K.
- How many people run the Grandmaster Ultras?
- About 250 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Grandmaster Ultras?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Grandmaster Ultras?
- Yes — registration is open. Listed fee for the longest distance, $140 (from runsignup.com, checked September 27, 2026).
- What time does the Grandmaster Ultras start?
- 7:00 AM PST.
- What is race-day weather usually like at the Grandmaster Ultras?
- about 53°F at the start, 49% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 27, 2026).
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