Grand National Pinstickers' guide to Aintree runners & riders . his gambling exploits - whose horses run in the green and gold colours. Are you struggling to pick which horse you want to back in Saturday's Grand National at Aintree? Not sure to go for The Last Samurai, More Of. Below are the top 20 horses for the Grand National ordered by their odds. Show the full list of grand national runners Grand National Runners · Grand National Tips · Grand National Blog · Definitly Red.