Runners, riders, trainers and form - all the key details you need to know for Saturday's big race at Aintree. The Grand National Festival is underway at Aintree and the 40 runners and riders for the big one on Saturday have been declared. PUNTERS are placing bets on their favourite horses ahead of the Grand Nation at Aintree tomorrow. Here is a full list of runners and riders. Smart performer who was fifth in March's Cheltenham Gold Cup. Was sold after racing in an auction at Aintree on Thursday to Patricia and David Thompson - who also recently bought Le Mercurey and Highland Lodge - and will run in son Richard's. However, the seven-year-old has landed a few nice races in his short career. Cardiff We fact-checked 19 famous claims people always make about Cardiff Cardiff is a city with a rich history, starbust casino which of the things you've been told about secret tunnels and heroes are actually true. A total of 40 horses will national riders and runners for the title of champion, but only about 60 per cent of them will reach the finish line. BARE TRUTHS Reporter strips naked to quiz nude swingers on their love of wife-swapping in bizarre telly segment.