A Full Guide to Grand National Betting (2021) Last Updated: February 17, 2021 The Grand National Festival is an annual, three-day National Hunt horse race held in April at the Aintree Racecourse near Liverpool. First contested in 1839, it is a handicap steeplechase run over a distance of 6907 km. In this article, we'll list the best Grand National betting sites, including updated Grand National odds, betting markets and tips, and schedules of all the Grand National horse races. Read on to find out more!