Emelie Forsberg
Video: The Art of Skyrunning
High-altitude mountain running, also known as skyrunning, is one of the most challenging settings for a runner to compete in.
The Rut 50K Trail Race
Photos from The Rut 50K, one of the hardest trail races in the U.S.
Emelie Forsberg: Trail Running’s Superstar
The Swedish runner burst onto the scene in the past year.