Image Zach Osborne and Arnaud Tonus (Monster Energy Kawasaki) duking it out in moto two. Zach ended up sixth, while Arnaud finished in ninth. Credit GuyB Related: Photo Blast Thunder Valley MX Nationals Pro Motocross Championship 2016 Arnaud Tonus Martin Davalos Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 31 of 43Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 6/6/2016 9:59am Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter