How to train for 24 hour ride

A different 24hr..
http://www.coolrunning.com.au/ultra/1997026.shtml

"Kouros ran the equivalent of seven successive marathons in a single day, covering 303.5 kilometres or 188 miles, 103 yards. The exact distance, which may change by a few metres/yards, has not yet been reported by The Sri Chinmoy Marathon Team, which organized the race."

I'd run away from that aroma too...