Queen's Logic is a retired Thoroughbred racehorse and active broodmare, bred in Ireland and trained in the United Kingdom.

[4] Apart from Queen's Logic, Grand Lodge (winner of the Dewhurst Stakes and the St. James's Palace Stakes) sired the winners of over six hundred races including Sinndar, Grandera and Indian Lodge (Prix du Moulin de Longchamp, Prix de la Forêt).

Queen's Logic was trained throughout her career by Mick Channon at West Ilsley, Berkshire and was ridden in four of her five races by Steve Drowne.

Although Mick Channon was not immediately impressed by Queen's Logic ("she was just a lump of horse flesh"), she soon showed herself to be a potentially useful filly in home exercise gallops, and was campaigned ambitiously from the start.

She caught the Aidan O'Brien-trained Sophisticat inside the final furlong and won by half a length[7] Although the 1,000 Guineas was more than ten months away, the bookmakers offered Queen's Logic at odds of 25/1.

[9] Her price for the 1,000 Guineas was cut to 14/1 even though some[10] felt that her sheer speed and racing style suggested that she was essentially a sprinter who might struggle over one mile.

This time she started favourite and produced her best performance, taking the lead two furlongs out and pulling right away from the field in a manner described by the Telegraph's correspondent as "effortless and unrelenting".

[16] It was hoped that Queen's Logic could recover in time for a run in the Sussex Stakes, but the coughing returned and Channon decided that "it wouldn't be fair" to continue her training.