he was booked to challenge Monbeg Dude in Saturday 's challenge National . He took on Venetia Williams - trained 100 - metre winner Mon Mome in 2013 . Monbeg Dude is co - owned by rugby union star Mike Tindall .
Liam Treadwell booked to ride Monbeg Dude in Saturday 's Grand National . He won on Venetia Williams-trained 100-1 shot Mon Mome in 2009 . Monbeg Dude is co-owned by rugby union star Mike Tindall .