Founded in 1997 by fitness guru Sri Chinmoy to exemplify the endless possibilities of the human spirit, the Self-Transcendence 3100-Mile Race is held every year on a concrete footpath around an 883 metre block in Queens, New York. It is the world’s longest and most grueling foot race. Runners are given 18 hours a day, from 6:00 a.m. to midnight, for 51 days, to run a minimum of 60 miles a day (96.6km) to complete the distance. This involves circumnavigating the block 5649 times. Over the duration of the race, runners wear out fifteen pairs of shoes, and their feet swell an extra two sizes. In a typical New York summer, temperatures can reach 40 degrees centigrade with 85% humidity. Competitors must contend with boredom, fatigue, torrential deluges, extreme pain, injuries and sleep deprivation—but most of all, they have to deal with themselves.  Outwardly for their efforts they will receive a plastic trophy and a t-shirt; inwardly, they make a lifetime of progress.