Adelaide Cup Day is a significant occasion celebrated in South Australia, and more specifically, in the capital city of Adelaide. It's always held on the second Monday of March, and is primarily recognized for the Adelaide Cup horse race, which attracts visitors from all over the country, and even internationally. Adelaide Cup Day is indeed the centerpiece of the 'Adelaide Autumn Racing Carnival', and is a public holiday in South Australia since the state government's decision in 2006.

The race itself, which forms the essence of Adelaide Cup Day, is a thrilling spectacle that adds to the vibrant culture of Australia. Being amongst Australia's premier long distance races, it covers a distance of 3200 meters. The Adelaide Cup has a rich history and was originally run in 1864. Over the years, it has become an event much-awaited by horse racing enthusiasts as it showcases some of the best stayers in the land.

In addition to the horse race, Adelaide Cup Day embodies the spirit of Australian festivity and community. Apart from the exhilarating races, the day is filled with fashion, entertainment, and food, creating a vibrant carnival atmosphere. Roving artists, live music and the spectacle of 'Fashion at The Races' fill the Adelaide Cup with pure entertainment. It's a day when Adelaide springs to life, from elaborate marquees in the race club to festive gatherings in homes and local venues.