A fan of Thoroughbred racing, as a hobby Whitney owned and raced several horses, most notably winning the Grade 1 Diana Handicap in 1983.
Diana Ross | Diana Krall | Graded stakes race | Preakness Stakes | Princess Diana | Diana Dors | Belmont Stakes | Diana | St. Leger Stakes | Diana Vickers | Diana Rigg | 2,000 Guineas Stakes | Wedding of Charles, Prince of Wales, and Lady Diana Spencer | Diana (mythology) | 1,000 Guineas Stakes | Washington, D.C. International Stakes | High Stakes Poker | Diana Taurasi | Diana Scarwid | Diana Haddad | Lady Diana Cooper | Diana Soviero | Diana (goddess) | Death of Diana, Princess of Wales | Coronation Stakes | Bill Stutt Stakes | Ben Ali Stakes | Sabin Stakes | Peter Pan Stakes | King George VI and Queen Elizabeth Stakes |