About 50 miles a day for 45 days, with 2 miles of elevation change per day, through the mountains - at age 41 on a bad knee and a vegan diet.
http://www.businessinsider.com/scot...t-a-new-appalachian-trail-speed-record-2015-7
http://www.businessinsider.com/scot...t-a-new-appalachian-trail-speed-record-2015-7