This could be Big Dawg or Miles from the Dragon but it is Yellow Wolf 6 years ago. He did 106 Tail of the Dragon Runs in 24 hours. If he went 11 miles each that's 1166 miles in 24 hours ON THE DRAGON! Thats a twisty long distance day.
http://www.youtube.com/watch?v=0nrMQ3QwyPo