Rich Strike, an 80-1 outsider, won the Kentucky Derby, in one of the biggest upsets in the history of America's most famous horse race at Churchill Downs in Louisville.

Rich Strike, ridden by Sonny Leon and trained by Eric Reed, was only brought in the day before the event after another had to drop out. It is the second longest shot to win the race after Donerail triumphed at odds of 91-1  in 1913.

Click here to view all the previous winners of the Kentucky Derby.