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
1981 Epsom Derby Notable runs by the future Derby participants as two-year-olds in 1980: Early-season appearances in 1981 and trial races prior to running in the Derby: Group 1 / Grade I victories after running in the Derby. 1981 Epsom Derby The 1981 Epsom Derby was the 202nd annual running of the Derby horse race. It took place at Epsom Downs Racecourse on 3 June 1981. The race was won by the Aga Khan's Shergar, at odds of 10/11 ridden by the nineteen-year-old jockey Walter Swinburn and trained at Newmarket, Suffolk by Michael Stoute. The winning margin of ten lengths was the largest