Grindstone Trail Running Festival by UTMB - 100M

Nestled among the rugged terrain and dense forests of Virginia, the Grindstone 100-mile race stands as an unparalleled challenge for endurance runners. Known for its grueling vertical ascent—roughly 21,000 feet—the course demands a blend of strength, resilience, and mental fortitude from every participant.
The route features relentless climbs that test even the most seasoned athletes, with steep ascents through winding single-track trails high above the forest floor. These monster climbs are interspersed with moments of solitude as runners traverse isolated ridges where only the chirping of birds breaks the silence. The trail weaves its way across diverse landscapes, offering a mix of technical terrain and serene vistas.
With its unique blend of extreme elevation changes and remote stretches, Grindstone 100-mile race is celebrated for being one of the most awe-inspiring ultra-distance events east of the 100th meridian. It's not just about covering distance; it’s an immersive journey through some of America’s finest wilderness areas.
The event challenges runners to push their limits while immersing themselves in nature, making Grindstone a must-do for anyone seeking a truly unforgettable ultra-running experience.