Grand National a horse -by- horse betting guide. The Last Samuri, second last year, heads the field for the world's most famous race at. The Last Samuri heads the final field of 40 runners in Saturday's Randox Health Grand National at Aintree. Sportsmail's Sam Turner analyses. Trainer is in a select club to have won the Champion Hurdle, Cheltenham Gold Cup and Grand National. Triumphed at Aintree with Mr Frisk in. After two false startsall the horses got away at the third time of asking and the disruption didn't appear to carry into the sloten automatencasino qua. Won by 30 lengths in those conditions at Ascot in February. We tipped him last year and we're tipping him again this year. Looks tailor-made for the race. Stephanie Davis is PREGNANT with her second child with Jeremy McConnell as he speaks out about pair's hotel bust-up. Was also second in the Midlands National.