Desert Solstice: will the 24-hour world record go down this weekend?

In 24-hour racing, anything is possible

Gary Robbins runs 100 miles on treadmill in virtual race

The ultrarunner ran on his treadmill for 100 miles with 17,500 feet of climbing to raise money for the B.C. Search and Rescue Association

Rocky Raccoon 100 winner ran debut fuelled on Pop-Tarts

Maria Sylte of Houston won her debut 100-miler in Texas on the weekend