By Ellen Kirwin The 2024 Grand National is here, with punters set to descend on Aintree for the festival ahead of the biggest race in Britain on Saturday. The race is going through some changes this year, with 34 runners competing in the four mile, two-and-a-half furlong steeplechase epic, rather than the usual 40. There remains the traditional 30 fences for those hoping to make history, led by bookmakers’ favourite Corach Rambler, with the lucky winner getting a whopping £561,300 from the prize pot. The second-place horse will take away £211,100, while the third-place horse will bag £105,500….