The Grand National festival, one of the U.K.'s premier horse racing events, returns this weekend at Aintree. Here's everything you need to know.

From Lossiemouth securing a victory against Constitution Hill in the William Hill Aintree Hurdle to Sans Bruit bagging the Red Rum Handicap Chase and Willy De Houelle passing away after suffering a fatal fall during the second race,

Last year's winner I Am Maximus heads the field for Saturday’s Grand National at Aintree as a maximum line-up of 34 runners is named.