| POS. | # | RIDER | HOMETOWN | BIKE | TEAM/SPONSORS |
|---|---|---|---|---|---|
| Start Position 1 | 23 | Chase Sexton | Clermont, FL | Honda CRF450R | Team Honda HRC |
| Start Position 2 | 25 | Marvin Musquin | Corona, CA | KTM 450 SX-F FE | Red Bull KTM |
| Start Position 3 | 94 | Ken Roczen | Clermont, FL | Suzuki RM-Z450 | Progressive Insurance Ecstar Suzuki |
| Start Position 4 | 2 | Cooper Webb | Newport, NC | KTM 450 SX-F FE | Red Bull KTM |
| Start Position 5 | 27 | Malcolm Stewart | Haines City, FL | Husqvarna FC 450 RE | Rockstar Energy Husqvarna Factory Racing |
| Start Position 6 | 51 | Justin Barcia | Greenville, FL | GASGAS MC 450F | Troy Lee Designs Red Bull GASGAS Factory Racing |
| Start Position 7 | 15 | Dean Wilson | Menifee, CA | Honda CRF450R | Fire Power Honda |
| Start Position 8 | 44 | Benny Bloss | Oak Grove, MO | Yamaha YZ450F | Yamaha,Truck Central LLC, FXR, Arai, Alpinestars, Pod |
| Start Position 9 | 46 | Justin Hill | Yoncalla, OR | KTM 450 SX-F | Team Tedder Monster Energy Mountain Motorsports |
| Start Position 10 | 60 | Justin Starling | Riverview, FL | GASGAS MC 450F | FXR, General Grind & Machine, JSR Motorsports |
| Start Position 11 | 47 | Fredrik Noren | Indian Trail, NC | Kawasaki KX450SR | MaddParts Kawasaki Circuit Equipment |
| Start Position 12 | 519 | Joshua Cartwright | Fort Worth, TX | Kawasaki KX450 | Psychic Motorsports, T3 Civil, Ronnie Prado, Cardinal Kawasaki |
| Start Position 13 | 12 | Shane McElrath | Oakland, FL | Suzuki RM-Z450 | Twisted Tea Suzuki Progressive Insurance |
| Start Position 14 | 848 | Joan Cros | Manlleu, ESP | Kawasaki KX450 | Namura, Invictus, SeaGems, Bravo Performance, FXR |
| Start Position 15 | 410 | Brandon Scharer | Gentry, AR | KTM 450 SX-F | Marionville Powersports, 4-State Moto Complex, FXR, Dynamic |
| Start Position 16 | 219 | Chase Marquier | Newcastle, OK | Kawasaki KX450 | Partzilla PRMX Racing |
| Start Position 17 | 837 | Bryson Gardner | Paso Robles, CA | Honda CRF450R | LTech, BWR Honda |
| Start Position 18 | 90 | Tristan Lane | Port Orange, FL | GASGAS MC 450F | Silverback Racing, American Recycling Center, FXR, Viral Brand |
| Start Position 19 | 509 | Alexander Nagy | Richmond, IL | Honda CRF450R | SKVI, FXR, Shoei, Pirelli, Spy, Fist, ODI, 812Suspension,Yoshimura |
| Start Position 20 | 501 | Scotty Wennerstrom | Jefferson, TX | Kawasaki KX450 | Ronnie Prado Company, Cardinal Revenue Solutions, Jones Power |