The final two steps on the MXD podium were first year MXD riders Mastin, just two points behind Beaton, with Crawford in 3rd another three points further adrift.
Simpson finished the day in fourth on 85 points, 11 points down on Beaton while Carter rounded out the top five.
Rykers held down sixth place overall, one point ahead of Todd in seventh. Brock Mcleary, Jarrod Kelly and Daniel Price finished in 8th, 9th and 10th respectively.