Marvin Musquin finally got his first career 450 class win leading all 26 laps on Saturday for Round 6 of the 2017 Monster Energy Supercross series in Arlington, TX. Cole Seely followed in second for a season best finish and Jason Anderson took third, also a season best. Championship points leader Ryan Dungey finished fourth while Eli Tomac, winner of the last two rounds, ended 15th after crashing. Dungey extended his points lead by one as Musquin moves back into second place, 18 points back.

In the 250SX West class, Shane McElrath led 15 laps before a mechanical failure ended his night giving Justin Hill his fourth consecutive win. Hill held a one point lead over McElrath in the Championship standings and now leads Aaron Plessinger, who finished third, by 21 points and McElrath by 25. Rookie Austin Forkner took second for a career best finish. Check out all the action below. Photos by Ryne Swanberg.

2017 Arlington Supercross