The showpiece steeplechase over a distance of 4 miles 514 yards (6.907 km) took place on 8 April 2017, the final day of a three-day meeting.
Among the early favourites were Don Poli, who won three Grade 1 races in the 2015–16 season, and 2016 National runner-up The Last Samuri.
[3] The weights were announced on 14 February and headed by Lexus Chase winner Outlander, however, trainer Gordon Elliott indicated that he would not run.
[6] The five-day confirmation process began on 3 April with 70 horses advancing, following the withdrawal of top-weight Carlingford Lough.
When the race eventually began properly, the 50/1 outsider Roi Des Francs led the field on the first circuit with Rogue Angel and Highland Lodge also prominent.
With two fences left to jump, Blaklion raced into a three-length lead over Rogue Angel, as Vieux Lion Rouge advanced into third and One For Arthur made significant progress through the field.
And it's One for Arthur, out in front for Derek Fox and Lucinda Russell, beginning to pull three lengths clear from Cause of Causes, back in third is Blaklion, Saint Are is running on late in the day but it's One for Arthur, who crept into the race for the first circuit and a half, and is keeping up the gallop towards the line!
Retired champion jockey Sir Anthony McCoy and Mick Fitzgerald provided expert opinions throughout the coverage, with reports from Brough Scott, Luke Harvey, Oli Bell and Alice Plunkett and betting updates by Matt Chapman.