1 of 7 The field of horses go round for the first time during the Letheby and Christopher Supreme Novices Hurdle Race
2 of 7 Mariah Rollins unseats jockey David Casey at the last in the Letherby and Christopher Novices Hurdle
3 of 7 Brave Inca (left) ridden by Barry Cash clears the final fence to win the opening race of the festival ahead of War Of Attrition
4 of 7 Well Chief gives Tony McCoy his first winner of the 2004 Festival in the Irish Independent Arkle Challenge
5 of 7 Among the guests at Britain's premier National Hunt event is Princess Anne's daughter Zara Phillips
6 of 7 Hardy Eustace and jockey Conor O'Dwyer cause a big shock with a five length victory in the Smurfit Champion Hurdle
7 of 7 Long-time leader Merchants Friend (left) is overtaken by eventual winner Maximise, ridden by Darren Edwards, in the Fulke Walwyn Kim Muir Challenge Cup Handicap Chase