The John Smith’s Grand National help at Aintree racecourse is like no other event on the horse racing calendar. A British sporting institution, attracting over 154,000 racegoers over three days for events such as Grand Opening Day, Ladies Day and of course the main event, John Smiths Grand National. Bet on Grand National has put together this handy info graphic so you can see at a glance the best free bet opportunities along with the favourites and best odds for the top horses entered into this prestigious event