Nick Rockett © Photo Healy Racing
Navan is now soft to heavy, heavy in places after two dry days.
A dry day is expected and the first of seven races is off at 1.45pm.
Charles Byrnes' prolific Grade 2 winner Blazing Khal makes his return to action in the Grade 2 William Hill Boyne Hurdle, a race he won last year.
The Grade 2 William Hill Ten Up Novice Steeplechase features a clash between the Willie Mullins pair Nick Rockett and Minella Cocooner