The 2003 Grand National (known as the Martell Grand National for sponsorship reasons) was the 156th official renewal of the world-famous Grand National steeplechase that took place at Aintree at 3:45pm BST, on 5 April 2003.The ten-year-old 16/1 shot Monty's Pass, ridden by Barry Geraghty and trained by Jimmy Mangan in Cork, Ireland, won the race by 12 lengths from the 2001 Welsh National winner Supreme Glory (40/1) in a time of 9 minutes 21.7 seconds.The field was limited to a maximum of 40 competitors, and 14 completed the 4 mile 4 furlong course.