Jerry Gray's efforts:	From	Age	Date	Finish Time
Hardrock 100 2007	Colorado, US	61	Friday, July 13, 2007	DNF
Hardrock 100 2004	Colorado, US	58	Friday, July 9, 2004	DNF
Hardrock 100 2001	Colorado, US	55	Friday, July 13, 2001	41:04:20.00
Hardrock 100 1999	Colorado, US	52	Friday, July 9, 1999	DNF