The 1990 Preakness Stakes was the 115th running of the Preakness Stakes thoroughbred horse race. The race took place on May 19, 1990, and was televised in the United States on the ABC television network. Summer Squall, who was jockeyed by Pat Day, won the race by two and one quarter lengths over runner-up Unbridled. Approximate post time was 5:33 p.m. Eastern Time. The race was run over a fast track in a final time of 1:53-3/5. The Maryland Jockey Club reported total attendance of 96,106, this is recorded as second highest on the list of American thoroughbred racing top attended events for North America in 1990.