Anyone who wants to learn more about the history of pedestrianism, long-distance walking and latterly ultrarunning should check out Davy Crockett's Ultra Running History website and podcast [1]. He covers George Wilson in a two-part episode about 1,000 mile attempts [2].

[1] - http://ultrarunninghistory.com/ [2] - http://ultrarunninghistory.com/1000-milers-1/