Points leader Ferrandis leads team-mates Cooper and Masterpool in 250 class.
Rocky Mountain ATV MC KTM pilot Blake Baggett earned first pick of the starting gate for the motos at RedBud after posting the fastest lap in the 450 qualifying sessions.
Baggett was closely followed by Monster Energy Kawasaki duo Adam Cianciarulo and Eli Tomac, with just 0.041 seconds separating the trio of front-runners.
Qualifying times were tight across the board, with just one second spanning first to eighth place on the timesheets.
Honda HRC rookie Chase Sexton continued his prove his pace with a fourth-fastest time, followed by Monster Energy Yamaha’s Justin Barcia.
Mavin Musquin (Red Bull KTM) posted six-quickest, with red plate holder Zach Osborne (Rockstar Husqvarna Factory Racing), Christian Craig (Honda HRC), Broc Tickle (Monster Energy Yamaha) and Joey Savatgy (Yoshimura JGRMX Suzuki) rounding out the top 10.
In the 250 class, Monster Energy Star Racing Yamaha’s series points’ leader Dylan Ferrandis again proved to be the man to beat with a blistering qualifying time that was the quickest across both classes.
The Frenchman’s time was almost two seconds quicker than that of his team-mates, Justin Cooper and Ty Masterpool, who finished qualifying in second and third place respectively.
Ferrandis’ championship points’ rival, Jeremy Martin (Geico Honda) clocked a fourth-fastest qualifying lap, ahead of his brother Alex Martin (Yoshimura JGRMX Suzuki).
Shane McElrath (Monster Energy Star Racing Yamaha) finished out the session sixth-quickest, with Mitchell Harrison (Pro Circuit Monster Energy Kawasaki), Hunter Lawrence (Geico Honda), and RJ Hampshire (Rockstar Husqvarna Racing. TLD Red Bull KTM’s Brandon Hartranft finished out the top 10.