Katie Bono, 29, makes round trip in 21 hours, fastest time by a woman
(Newser) -
In what has been a tough year for climbers on Alaska's Mount Denali, a female American climber has just set a speed record, reports Outside magazine. Katie Bono, 29, left base camp at 6am on June 13, reached the summit in 40-below temperatures, and returned to camp 21 hours...