I once ran across the Grand Canyon and back in a single day. This 51-mile run is commonly known as the Rim-to-Rim-to-Rim ... In less than 8 miles the trail drops 5,000 feet to the river.

RJ Sangosti/MediaNews Group/The Denver Post via Getty Images A Virginia man has died after attempting to hike from the South Rim to the North Rim of the Grand Canyon in a single day, according to ...

The River Trail, between River Resthouse and the South Kaibab Trail junction, Silver Bridge and Plateau Point Trail, between the Tonto Trail West junction to Plateau Point, originally scheduled to ...