Queen's Hussar raced nine times as a two-year-old in 1962. He won the Cannon Yard Plate at Windsor Racecourse, the Cuddington Stakes at Epsom, the Washington Singer Stakes at Newbury and a Rous Memorial Stakes at Newmarket. In the spring of 1963, Queen's Hussar was tried over sprint distances and finished third in the Palace House Stakes over five furlong at Newmarket. In May he was moved up in distance and matched against older horses in the Lockinge Stakes over one mile at Newbury. Ridden by the Australian jockey Scobie Breasley he started at odds of "9/2" and won from Cyrus and Romulus. At Royal Ascot in June he contested the Jersey Stakes in which he finished third behind the fillies The Creditor and Brief Flight. Queen's Hussar then ran in the Sussex Stakes over one mile at Goodwood Racecourse on 31 July. Ridden by the Australian Ron Hutchinson he was given little chance and started a 25/1 outsider in front of a crowd which included Queen Elizabeth II. Hutchinson held the horse up at the back of the field before producing a strong late run to win by a head from the Irish 2000 Guineas winner Linacre with Nereus three lengths back in third. In August, Queen's Hussar finished second to the filly Dunce Cap in the Hungerford Stakes over seven furlongs at Newbury. Queen's Hussar raced three times as a four-year-old in 1964, recording his only win in the Cavendish Stakes at Sandown Park Racecourse.
Assessment
In the 1962 Free Handicap, a ranking of the best two-year-olds to race in Great Britain, Queen's Hussar was assigned a weight of 123 pounds, eight pounds below the top-rated Crocket. The independent Timeform organisation gave Queen's Hussar a peak rating of 124.
Stud record
Queen's Hussar was retired from racing to become breeding stallion. In the early part of his stud career, there was little demand for his services and he stood for several years at a fee of £250. This changed following the successes of his son Brigadier Gerard from 1970 to 1972. The colt won seventeen races and is still rated by Timeform as the second bestracehorse trained in Britain since 1947. Thanks to the performances of Brigadier Gerard, Queen's Hussar was the Leading sire in Great Britain and Ireland in 1972. His stud fee increased to £2,000, and he went on to sire several other good winners:
Queen's Hussar was inbred 3 x 3 to Fair Trial, meaning that this stallion appear twice in the third generation of his pedigree. He was also inbred 4 x 4 x 4 to Fairway.