High Quality Content by WIKIPEDIA articles! Bint Allayl (19 January 1996- 22 February 1999) was a British champion Thoroughbred racehorse. She was rated the best two-year-old filly of 1998 by both the International Classification and the Cartier Racing Awards. She won three of her four races including the Queen Mary Stakes and the Lowther Stakes and was made favourite for the 1999 1000 Guineas. She was put down after suffering an injury in training in February 1999.