Man of Iron, foaled in Kentucky in 2006, is an American Thoroughbred racehorse. Sired by Giant's Causeway and out of the mare Better Than Honour, he was bred by Skara Glen Stables. He was sold as a yearling to Racing Partners Smith/Magnier/Tabor, who turned over his training to Aidan O'Brien.

Man of Iron
Man of Iron, almost hidden on the rail, in the Breeders' Cup Marathon
Sire	Giant's Causeway
Grandsire	Storm Cat
Dam	Better Than Honour
Damsire	Deputy Minister
Sex	Colt
Foaled	2006
Country	United States
Colour	bay
Breeder	Skara Glen Stables
Owner	Derrick Smith/Susan Magnier/Michael Tabor
Trainer	Aidan O'Brien
Record	10:4-0-0
Major wins
Breeders' Cup Marathon (2009)
Last updated on October 16, 2009

On November 6, 2009, he won the most important race of his career: the Breeders' Cup Marathon. In the 14-furlong race, he fought off Cloudy's Knight to win by a nose.^[1]