The 1983 Epsom Derby was the 204th annual running of the Derby horse race. It took place at Epsom Downs Racecourse on 1 June 1983.The race was won by Eric Moller's Teenoso, at odds of 9/2 ridden by jockey Lester Piggott and trained at Newmarket by Geoff Wragg. Teenoso's win gave Piggott a record-breaking ninth success in the race. The winning time of 2:49.07 was the slowest of the 20th century.