Former World Supercross champion, Ken Roczen has clocked the quickest time in the 450 class, with Haiden Deegan a close second. Deegan was actually the quickest for a majority of the practice. Tonight is going to be very interesting.

The live timing and full results you can find right here: Race Day Live

To enjoy the most competitive FIM World Supercross Championship rider lineup to date click here. You can watch the full coverage right here: Watch World Supercross