2021 Monster Energy AMA Supercross Championship
Arlington 3 (West) - 450SX Group B Qualifying 2 Results
AT&T Stadium
Arlington, TX US 
March 20, 2021
450SX Group B Qualifying 2 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Mitchell Oldenburg | 50.4440 | Alvord, TX  | Honda CRF450R | ||
| 2 |  Brandon Hartranft | 51.2890 | Brick, NJ | Suzuki RM-Z450 | ||
| 3 |  Cade Clason | 51.7320 | Arcadia, OH | Kawasaki KX450 | ||
| 4 |  Josh Cartwright | 51.8150 | Tallahassee, FL | Kawasaki KX450 | ||
| 5 |  Logan Karnow | 51.8440 | Vermilion, OH | Kawasaki KX450 | ||
| 6 |  AJ Catanzaro | 52.2200 | Portland, CT | Kawasaki KX450 | ||
| 7 |  Joan Cros | 52.3510 | Manlleu  | Kawasaki KX450 | ||
| 8 |  Henry Miller | 52.5500 | Rochester, MN | KTM 450 SX-F | ||
| 9 |  Lane Shaw | 52.7650 | Alvin, TX | KTM 250 SX-F | ||
| 10 |  Jeremy Smith | 52.8260 | Marmora, NJ | Kawasaki KX450 | ||
| 11 |  Hunter Schlosser | 52.8390 | El Paso, TX | Yamaha YZ250F | ||
| 12 |  Ronnie Stewart | 53.2140 | Easton, PA | GasGas MC 450F | ||
| 13 |  Scotty Wennerstrom | 53.7330 | Tyler, TX | Kawasaki KX450 | ||
| 14 |  Vann Martin | 54.4060 | Houston, TX | Husqvarna FC 450 | ||
| 15 |  Kevin Moranz | 01:07.1700 | Topeka, KS | KTM 450 SX-F |
