The Sydney Cup is an Australian Turf Club Group 1 Thoroughbred handicap horse race, for horses three years old and older, run over 3200 metres at Randwick Racecourse in Sydney, Australia in the autumn during the ATC Championships series and it is the longest race in the club. Total prize money is A$2,000,000.

Tie The Knot was an Australian-bred Thoroughbred racehorse who won 13 Group One races. In 1999-2000, he was voted Australian Champion Stayer and in 2021 was inducted into the Australian Racing Hall of Fame.