Although there is no official dress code, smart is preferable and is often adopted.
Aintree is a spectacle of colour throughout the year, with many using their trip to the racecourse as an opportunity to showcase their favourite raceday outfits.
Hats are optional too, but are frequently worn.
Sports clothes and fancy dress are not permitted for The Randox Health Grand National Festival.
Follow us for the latest news from Aintree Race Course
Follow us for the latest news on Aintree Race Course