2021 Monster Energy AMA Supercross Championship
Arlington 2 (West) - 450SX Results
AT&T Stadium
Arlington, TX US 
March 16, 2021
450SX Main Event Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Cooper Webb | 24 Laps | 0:52.262 | Newport, NC  | KTM 450 SX-F | |
| 2 |  Eli Tomac | +04.634 | 0:52.303 | Cortez, CO | Kawasaki KX450 | |
| 3 |  Ken Roczen | +07.882 | 0:52.509 | Mattstedt  | Honda CRF450R | |
| 4 |  Justin Barcia | +19.977 | 0:52.945 | Monroe, NY | GasGas MC 450F | |
| 5 |  Chase Sexton | +24.745 | 0:52.681 | La Moille, IL | Honda CRF450R | |
| 6 |  Aaron Plessinger | +28.851 | 0:53.090 | Hamilton, OH | Yamaha YZ450F | |
| 7 |  Jason Anderson | +28.851 | 0:52.492 | Edgewood, NM | Husqvarna FC 450 | |
| 8 |  Dylan Ferrandis | +38.503 | 0:52.962 | Avignon  | Yamaha YZ450F | |
| 9 |  Martin Davalos | +43.812 | 0:53.485 | Quito  | KTM 450 SX-F | |
| 10 |  Dean Wilson | +45.657 | 0:54.314 | Scotland  | Husqvarna FC 450 | |
| 11 |  Joey Savatgy | +47.312 | 0:53.779 | Thomasville, GA | KTM 450 SX-F | |
| 12 |  Justin Bogle | 23 Laps | 0:53.774 | Cushing, OK | KTM 450 SX-F | |
| 13 |  Malcolm Stewart | +06.669 | 0:54.035 | Haines City, FL | Yamaha YZ450F | |
| 14 |  Vince Friese | +12.166 | 0:54.354 | Cape Girardeau, MO | Honda CRF450R | |
| 15 |  Kyle Chisholm | +17.490 | 0:55.193 | Clearwater, FL | Yamaha YZ450F | |
| 16 |  Max Anstie | +19.361 | 0:54.910 | Newbury, England | Suzuki RM-Z450 | |
| 17 |  Broc Tickle | +27.084 | 0:53.646 | Holly, MI | Honda CRF450R | |
| 18 |  Cade Clason | +55.343 | 0:55.527 | Arcadia, OH | Kawasaki KX450 | |
| 19 |  Tyler Bowers | 22 Laps | 0:55.365 | Danville, KY | Kawasaki KX450 | |
| 20 |  Justin Starling | +34.619 | 0:56.383 | Deland, FL | KTM 450 SX-F | |
| 21 |  Kevin Moranz | 15 Laps | 0:55.058 | Topeka, KS | KTM 450 SX-F | |
| 22 |  Joan Cros | 14 Laps | 0:56.753 | Manlleu  | Kawasaki KX450 |
