 Rock Sand followed up his Derby win with a run at Royal Ascot where he took the St. James's Palace Stakes over one mile from three "moderate" opponents at odds of 1/10.He then faced older horses for the first time when he was sent to Sandown for the Eclipse Stakes.The 1903 running of the Eclipse Stakes on 17 July was one of the notable races of the early 20th century when Rock Sand faced the previous year's Derby winner Ard Patrick and the filly, Sceptre who had won the other four British Classic Races in 1902.