Of the last 12 winners of the contest, at some point in there career they had raced at Cheltenham prior to the festival and with that 10 of the last 12 were course winners.
Many of the horses in the Ryanair field have ran at Cheltenham both at the festival and in the run up to the meeting but at the moment in this seasons betting there are two high profile animals that have yet to run at Prestbury Park.
The Paul Nicholls trained Cyrname is 12/1 to currently land the spoils at Cheltenham but has never ran at the track before which does not fair well in this race.
He dethroned Altior and ran well in the King George to stay on for second but going round a left handed track could find him out if he turns up.
One of the less likely runners in the contest is Chacun Pour Soi who is another challenger yet to run at Cheltenham but it looks like he will go to the Champion Chase.