Authorized (horse) appeared at the time to be the best performance in any of the 2007 Trial races for the Epsom Derby and Authorized was made favourite for the race. Media attention ahead of the Derby focused on Frankie Dettori who, despite winning all the other British Classics at least twice each, had so far failed to win the Derby in 14 attempts. For the race itself, run at Epsom Downs Racecourse on 2 June 2007, Authorized was a clear favourite at odds of 5 to 4, and justified the odds by winning by five lengths in a fast time. Dropped back
1984 Epsom Derby finished second by a short head. The colt's win was a first success in the race for owner, trainer and jockey. At the age of 27, David O'Brien was one of the youngest men to have trained a Derby winner. Race result Further details of the winner, Secreto: Notable runs by the future Derby participants as two-year-olds in 1983: Early-season appearances in 1984 and trial races prior to running in the Derby: Group 1 / Grade I victories after running in the Derby. 1984 Epsom Derby The 1984 Epsom Derby was the 205th annual running of the Derby horse race.