2021 Monster Energy AMA Supercross Championship Arlington 2 (West): 450SX Group B Qualifying 1 Results
250SX West March 16, 2021
450SX Group B Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Nick Schmidt | 54.0660 | Maryville, WA  | Husqvarna FC 450 | ||
| 2 |  Justin Starling | 54.4970 | Deland, FL | KTM 450 SX-F | ||
| 3 |  Logan Karnow | 54.7770 | Vermilion, OH | Kawasaki KX450 | ||
| 4 |  Alex Ray | 54.8570 | Jackson, TN | Kawasaki KX450 | ||
| 5 |  Kevin Moranz | 55.2900 | Topeka, KS | KTM 450 SX-F | ||
| 6 |  Ronnie Stewart | 55.3510 | Easton, PA | GasGas MC 450F | ||
| 7 |  Joan Cros | 55.4290 | Manlleu, Spain  | Kawasaki KX450 | ||
| 8 |  Henry Miller | 55.5890 | Rochester, MN | KTM 450 SX-F | ||
| 9 |  Jeremy Smith | 55.6840 | Marmora, NJ | Kawasaki KX450 | ||
| 10 |  AJ Catanzaro | 55.8810 | Portland, CT | Kawasaki KX450 | ||
| 11 |  Josh Cartwright | 56.0080 | Fort Worth, TX | Kawasaki KX450 | ||
| 12 |  Hunter Schlosser | 56.1460 | El Paso, TX | Yamaha YZ250F | ||
| 13 |  Vann Martin | 56.3250 | Houston, TX | Husqvarna FC 450 | ||
| 14 |  Lane Shaw | 56.3660 | Alvin, TX | KTM 250 SX-F | ||
| 15 |  Rich Taylor | 56.9770 | Ketchum, ID | Suzuki RM-Z450 |
