Decending Down the North Kaibab Trail
The North Kaibab Trail begins its decent from the North Rim into the Grand Canyon. More than a few runners each year attempt the R2R2R Endurance Challenge (Rim to Rim to Rim). The R2R2R is approximately 45 miles and includes over 20,000 feet in total elevation change (gain + loss). According to Google, Jim Walmsley…