In 1792, he won the Great Produce Stakes on his racecourse debut and then took The Derby on his only other start of the year.
[2] John Bull made his first appearance at the Newmarket Craven meeting early in 1792.
John Bull started the 5/4 favourite as part of a two-horse entry by Lord Grosvenor, and won beating Ormond and Hotspur,[3] claiming a first prize of 4,200 guineas.
[5] John Bull was scheduled to run a match race at Newmarket on 16 October against Lord Foley's four-year-old Vermin, the 1791 Derby runner-up.
[6] More than ten months after his Derby win, John Bull reappeared at the 1793 Craven meeting where he ran in a four-mile Sweepstakes for four-year-olds, which attracted five other runners.