Question 1103335
26-year-old endurance athlete Joe McConaughy Sets New Speed Record for Hiking the Appalachian Trail in Just 45 Days  — Posted on 9.13.17
He averaged 48 miles per day for six-and-a-half weeks straight.

old record holder
2158/52=41.5 miles per day whereas the new record holder traveled 48 miles per day
41.5/3=13.8333333333 hours per day
new record holder
2158/45=47.9555555556 miles per day