2021 Monster Energy AMA Supercross Championship
Arlington 3 (West) - 450SX LCQ Results
AT&T Stadium
Arlington, TX US 
March 20, 2021
450SX LCQ Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Justin Starling | 7 Laps | 0:51.984 | Deland, FL  | KTM 450 SX-F | |
| 2 |  Brandon Hartranft | +03.144 | 0:53.335 | Brick, NJ | Suzuki RM-Z450 | |
| 3 |  Tyler Bowers | +03.460 | 0:52.504 | Danville, KY | Kawasaki KX450 | |
| 4 |  Alex Ray | +05.126 | 0:52.648 | Jackson, TN | Kawasaki KX450 | |
| 5 |  Cade Clason | +12.243 | 0:52.428 | Arcadia, OH | Kawasaki KX450 | |
| 6 |  Joan Cros | +15.118 | 0:54.136 | Manlleu  | Kawasaki KX450 | |
| 7 |  Kevin Moranz | +17.275 | 0:54.419 | Topeka, KS | KTM 450 SX-F | |
| 8 |  Nick Schmidt | +18.775 | 0:53.764 | Maryville, WA | Husqvarna FC 450 | |
| 9 |  Logan Karnow | +19.251 | 0:54.104 | Vermilion, OH | Kawasaki KX450 | |
| 10 |  Jeremy Smith | +22.068 | 0:55.264 | Marmora, NJ | Kawasaki KX450 | |
| 11 |  Josh Cartwright | +24.163 | 0:54.785 | Tallahassee, FL | Kawasaki KX450 | |
| 12 |  Curren Thurman | +24.673 | 0:54.314 | Rosharon, TX | Husqvarna FC 450 | |
| 13 |  AJ Catanzaro | +28.130 | 0:55.247 | Portland, CT | Kawasaki KX450 | |
| 14 |  Scott Champion | +33.798 | 0:55.063 | Temecula, CA | Yamaha YZ450F | |
| 15 |  Joshua Greco | +37.973 | 0:56.584 | Valparaiso, IN | Husqvarna FC 450 | |
| 16 |  Ronnie Stewart | +38.428 | 0:54.490 | Easton, PA | GasGas MC 450F | |
| 17 | Scotty Wennerstrom | +43.438 | 0:56.071 | Tyler, TX | Kawasaki KX450 | |
| 18 | Robert Piazza | +43.499 | 0:56.324 | Easton, PA | Kawasaki KX450 | |
| 19 |  Hunter Schlosser | +47.716 | 0:56.109 | El Paso, TX | Yamaha YZ250F | |
| 20 |  Lane Shaw | +1:02.731 | 0:54.970 | Alvin, TX | KTM 250 SX-F | |
| 21 |  Deven Raper | 5 Laps | 0:55.427 | Mesa, AZ | Kawasaki KX450 | |
| 22 |  Henry Miller | +DNS | Rochester, MN | KTM 450 SX-F |
