Adam Cianciarulo was having one of his best rides of the season after taking the holeshot and then still running a strong second after his amateur rival, Cooper Webb made the pass for the lead.
But it all went wrong for the fiercely ambitious factory Kawasaki rider in the whoops as he tried to hold of Marvin Musquin, getting the timing wrong and going over the bars and into the ground hard, forcing a DNF on what looked set to be his best night of the season.
