2021 Monster Energy AMA Supercross Championship
Arlington 1 (West) - 450SX Group B Qualifying 2 Results
AT&T Stadium
Arlington, TX US 
March 13, 2021
450SX Group B Qualifying 2 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Brandon Hartranft | 46.4600 | Brick, NJ  | Suzuki RM-Z450 | ||
| 2 |  Cade Clason | 46.6090 | Arcadia, OH | Kawasaki KX450 | ||
| 3 |  Tyler Bowers | 46.8700 | Danville, KY | Kawasaki KX450 | ||
| 4 |  Justin Starling | 46.9210 | Deland, FL | KTM 450 SX-F | ||
| 5 |  Alex Ray | 46.9900 | Jackson, TN | Kawasaki KX450 | ||
| 6 |  Nick Schmidt | 47.4480 | Maryville, WA | Husqvarna FC 450 | ||
| 7 |  Carlen Gardner | 47.6270 | Paso Robles, CA | Honda CRF450R | ||
| 8 |  Henry Miller | 47.6490 | Rochester, MN | KTM 450 SX-F | ||
| 9 |  Ronnie Stewart | 47.6680 | Easton, PA | GasGas MC 450F | ||
| 10 |  Logan Karnow | 47.6850 | Vermilion, OH | Kawasaki KX450 | ||
| 11 |  Kevin Moranz | 47.9330 | Topeka, KS | KTM 450 SX-F | ||
| 12 |  Jeremy Smith | 48.0000 | Marmora, NJ | Kawasaki KX450 | ||
| 13 |  AJ Catanzaro | 48.0380 | Portland, CT | Kawasaki KX450 | ||
| 14 |  Joan Cros | 48.2280 | Manlleu  | Kawasaki KX450 | ||
| 15 |  Fredrik Noren | 48.2380 | Lidköping  | Kawasaki KX450 | ||
| 16 |  Vann Martin | 48.4040 | Houston, TX | Husqvarna FC 450 | ||
| 17 |  Mason Kerr | 48.6270 | Altoona, IA | Kawasaki KX450 | ||
| 18 |  Curren Thurman | 48.6320 | Rosharon, TX | Husqvarna FC 450 | ||
| 19 |  Robert Piazza | 48.8170 | Easton, PA | Kawasaki KX450 | ||
| 20 |  Joshua Greco | 48.9330 | Valparaiso, IN | Husqvarna FC 450 | ||
| 21 |  Devin Harriman | 50.6180 | Longview, WA | KTM 350 SX-F |
