Related Clues:

• Running backwards, easily beat old racehorse
• Porter maybe astride queen and king’s racehorse
• Best horse of the 20th century, per The Associated Press
• Thoroughbred grandfather of Seabiscuit
• National hero? Flipping hell!
• Famed racehorse
• Famous Irish steeplechaser of the 1960s
• Strangely warm on a ship
• Winner of the Grand National in 1973, 1974 and 1977
• "Floating terror" of the sea
• 'The Shining' plot device that became significant when read backward
• Whom The New York Times co-named athlete of the year, with Babe Ruth, in 1920
• Celebrated racehorse
• Famous 1970s racehorse
• Horse to bump off coming up