Read jockey Dougie Costello's preview of day one here
Full gallery of images from day one
Read Robert Mulhern's reflections on one of Irish racing's greatest days at Cheltenham
William Hill Supreme Novices' Hurdle - Winner: Champagne Fever 5-1
Racing Post Arkle Challenge Trophy Chase - Winner: Simonsig 8-15 Fav
Jlt Specialty Handicap Chase (Grade 3) - Winner: Golden Chieftain 28-1
Stan James Champion Hurdle Challenge Trophy - Winner: Hurricane Fly 13-8
Olbg Mares' Hurdle (Grade 2) - Winner: Quevega 8-11 Fav
Rewards4racing Novices' Handicap Chase (Listed) - Winner: Rajdhani Express at 16-1
Audio, video and images below from day one at Cheltenham as it happened