2021 Monster Energy AMA Supercross Championship Arlington 1 (West): 450SX Group A Qualifying 1 Results
250SX West March 13, 2021
450SX Group A Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Cooper Webb | 44.3890 | Newport, NC  | KTM 450 SX-F | ||
| 2 |  Ken Roczen | 44.6180 | Mattstedt, Germany  | Honda CRF450R | ||
| 3 |  Marvin Musquin | 44.8080 | La Reole, France  | KTM 450 SX-F | ||
| 4 |  Jason Anderson | 45.0420 | Edgewood, NM | Husqvarna FC 450 | ||
| 5 |  Chase Sexton | 45.1110 | La Moille, IL | Honda CRF450R | ||
| 6 |  Malcolm Stewart | 45.1920 | Haines City, FL | Yamaha YZ450F | ||
| 7 |  Eli Tomac | 45.2960 | Cortez, CO | Kawasaki KX450 | ||
| 8 |  Justin Barcia | 45.3470 | Monroe, NY | GasGas MC 450F | ||
| 9 |  Dean Wilson | 45.4300 | Scotland, United Kingdom  | Husqvarna FC 450 | ||
| 10 |  Aaron Plessinger | 45.4630 | Hamilton, OH | Yamaha YZ450F | ||
| 11 |  Martin Davalos | 45.5380 | Quito, Ecuador  | KTM 450 SX-F | ||
| 12 |  Joey Savatgy | 45.6270 | Thomasville, GA | KTM 450 SX-F | ||
| 13 |  Dylan Ferrandis | 45.6370 | Avignon, France | Yamaha YZ450F | ||
| 14 |  Justin Bogle | 45.6490 | Cushing, OK | KTM 450 SX-F | ||
| 15 |  Benny Bloss | 45.6660 | Oak Grove, MO | Honda CRF450R | ||
| 16 |  Justin Brayton | 45.8310 | Fort Dodge, IA | Honda CRF450R | ||
| 17 |  Vince Friese | 46.0260 | Cape Girardeau, MO | Honda CRF450R | ||
| 18 |  Broc Tickle | 46.1470 | Holly, MI | Honda CRF450R | ||
| 19 |  Max Anstie | 47.0700 | Newbury, England, United Kingdom | Suzuki RM-Z450 | ||
| 20 |  Kyle Chisholm | 47.2670 | Clearwater, FL | Yamaha YZ450F |
