2021 Monster Energy AMA Supercross Championship
Arlington 2 (West): 450SX Heat 1 Results
March 16, 2021
450SX Heat 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Aaron Plessinger | 8 Laps | 0:52.878 | Hamilton, OH  | Yamaha YZ450F | |
| 2 |  Chase Sexton | +01.055 | 0:52.774 | La Moille, IL | Honda CRF450R | |
| 3 |  Justin Barcia | +03.176 | 0:52.732 | Monroe, NY | GasGas MC 450F | |
| 4 |  Ken Roczen | +06.593 | 0:52.895 | Mattstedt, Germany  | Honda CRF450R | |
| 5 |  Dylan Ferrandis | +09.000 | 0:53.282 | Avignon, France  | Yamaha YZ450F | |
| 6 |  Justin Bogle | +17.205 | 0:53.934 | Cushing, OK | KTM 450 SX-F | |
| 7 |  Kyle Chisholm | +24.745 | 0:54.563 | Clearwater, FL | Yamaha YZ450F | |
| 8 |  Tyler Bowers | +26.567 | 0:55.281 | Danville, KY | Kawasaki KX450 | |
| 9 |  Joan Cros | +30.111 | 0:55.809 | Manlleu, Spain  | Kawasaki KX450 | |
| 10 |  Brandon Hartranft | +35.439 | 0:55.633 | Brick, NJ | Suzuki RM-Z450 | |
| 11 |  Hunter Schlosser | +39.331 | 0:56.511 | El Paso, TX | Yamaha YZ250F | |
| 12 |  Curren Thurman | +40.085 | 0:56.081 | Rosharon, TX | Husqvarna FC 450 | |
| 13 |  Nick Schmidt | +41.029 | 0:55.637 | Maryville, WA | Husqvarna FC 450 | |
| 14 |  Deven Raper | +51.585 | 0:57.846 | Mesa, AZ | Kawasaki KX450 | |
| 15 |  Vann Martin | +55.695 | 0:58.025 | Houston, TX | Husqvarna FC 450 | |
| 16 |  Dean Wilson | 7 Laps | 0:53.913 | Scotland, United Kingdom  | Husqvarna FC 450 | |
| 17 |  Jeremy Smith | +47.005 | 0:57.645 | Marmora, NJ | Kawasaki KX450 | |
| 18 |  Robert Piazza | +1:03.805 | 0:57.744 | Easton, PA | Kawasaki KX450 | |
| 19 |  Henry Miller | 4 Laps | 1:04.064 | Rochester, MN | KTM 450 SX-F | |
| 20 |  Justin Brayton | 1 Lap | 1:03.228 | Fort Dodge, IA | Honda CRF450R |
