| POS. | # | RIDER | HOMETOWN | BIKE | TEAM/SPONSORS |
|---|---|---|---|---|---|
| Start Position 1 | 51 | Justin Barcia | Greenville, FL | GASGAS MC 450F | Troy Lee Designs- Red Bull- GASGAS FACTORY RACING |
| Start Position 2 | 16 | Zach Osborne | Clermont, FL | Husqvarna FC 450 RE | Rockstar Energy Husqvarna Factory Racing |
| Start Position 3 | 94 | Ken Roczen | Clermont, FL | Honda CRF450R WE | Team Honda HRC, Red Bull, Fox Racing, Art of Sport, Breitling, Canyon |
| Start Position 4 | 2 | Cooper Webb | Newport, NC | KTM 450 SX-F FE | KTM/RED BULL/MOTOREX/AKRAPOVIC/WELLS FARGO/DUNLOP |
| Start Position 5 | 9 | Adam Cianciarulo | New Smyrna Beach, FL | Kawasaki KX450 | MONSTER ENERGY KAWASAKI |
| Start Position 6 | 27 | Malcolm Stewart | Haines City, FL | Yamaha YZ450F | Monster Energy/Star Racing Yamaha, Seven Brand Inc, Shoei Helment, Scott Goggles, Garnae Boots |
| Start Position 7 | 1 | Eli Tomac | Cortez, CO | Kawasaki KX450 | MONSTER ENERGY KAWASAKI |
| Start Position 8 | 23 | Chase Sexton | Clermont, FL | Honda CRF450R | Team Honda HRC |
| Start Position 9 | 10 | Justin Brayton | Charlotte, NC | Honda CRF450R | Muc-Off, Honda, Fly Racing |
| Start Position 10 | 7 | Aaron Plessinger | Hamilton, OH | Yamaha YZ450F | Monster Energy Yamaha Factory Racing |
| Start Position 11 | 15 | Dean Wilson | Murrieta, CA | Husqvarna FC 450 RE | Rockstar Energy Husqvarna Factory Racing |
| Start Position 12 | 21 | Jason Anderson | Rio Rancho, NM | Husqvarna FC 450 RE | Rockstar Energy Husqvarna Factory Racing |
| Start Position 13 | 36 | Martin Davalos | Tallahassee, FL | KTM 450 SX-F FE | Team Tedder / Monster Energy Racing |
| Start Position 14 | 40 | Vince Friese | Menifee, CA | Honda CRF450R WE | Smartop BullFrog Honda |
| Start Position 15 | 17 | Joey Savatgy | Clermont, FL | KTM 450 SX-F FE | Rocky Mountain ATV/MC-KTM_WPS |
| Start Position 16 | 25 | Marvin Musquin | Corona, CA | KTM 450 SX-F FE | KTM/RED BULL/MOTOREX/AKRAPOVIC/WELLS FARGO/DUNLOP |
| Start Position 17 | 20 | Broc Tickle | Holly, MI | Honda CRF450R | Smartop Bullfrog spas Motoconcepts Honda |
| Start Position 18 | 14 | Dylan Ferrandis | Lake Elsinore, CA | Yamaha YZ450F | Monster Energy/Star Racing/Yamaha |
| Start Position 19 | 11 | Kyle Chisholm | Valrico, FL | Yamaha YZ450F | Team Chiz, RickieFowler.com, YAMAHA, LS2 |
| Start Position 20 | 28 | Brandon Hartranft | Brick, NJ | Suzuki RM-Z450 | Twisted tea HEP Suzuki |
| Start Position 21 | 722 | Adam Enticknap | Lompoc, CA | Suzuki RM-Z450 | Twisted Tea Suzuki |
| Start Position 22 | 83 | Alex Ray | Milan, TN | Kawasaki KX450 | SGB_Racing/Babbitts online/Maxxis /Oneal |