By Ben Cleminson WE ARE now just 24 hours away from the greatest four days of jump racing anywhere in the world. Early tomorrow morning thousands of Londoners will pack themselves onto trains heading west from Paddington to enjoy the drama and delights of the Cheltenham Festival. With 28 races over the four days, the very best horses from the UK and Ireland, a stunning backdrop, electric atmosphere and Guinness and champagne flowing by the gallon, it’s a week like no other. The commercial success of the Festival over the past 20 years has been remarkable, but The Jockey Club, the largest racec…