2021 Monster Energy AMA Supercross Championship
Arlington 2 (West) - 450SX Heat 2 Results
AT&T Stadium
Arlington, TX US 
March 16, 2021
450SX Heat 2 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Cooper Webb | 8 Laps | 0:52.918 | Newport, NC  | KTM 450 SX-F | |
| 2 |  Eli Tomac | +03.282 | 0:52.906 | Cortez, CO | Kawasaki KX450 | |
| 3 |  Malcolm Stewart | +06.867 | 0:53.422 | Haines City, FL | Yamaha YZ450F | |
| 4 |  Joey Savatgy | +16.755 | 0:54.229 | Thomasville, GA | KTM 450 SX-F | |
| 5 |  Martin Davalos | +18.551 | 0:53.010 | Quito  | KTM 450 SX-F | |
| 6 |  Broc Tickle | +21.399 | 0:54.094 | Holly, MI | Honda CRF450R | |
| 7 |  Vince Friese | +24.355 | 0:55.187 | Cape Girardeau, MO | Honda CRF450R | |
| 8 |  Jason Anderson | +26.397 | 0:54.245 | Edgewood, NM | Husqvarna FC 450 | |
| 9 |  Max Anstie | +27.565 | 0:55.208 | Newbury, England  | Suzuki RM-Z450 | |
| 10 |  Kevin Moranz | +33.820 | 0:56.255 | Topeka, KS | KTM 450 SX-F | |
| 11 |  Ronnie Stewart | +36.691 | 0:56.261 | Easton, PA | GasGas MC 450F | |
| 12 |  Justin Starling | +38.849 | 0:56.297 | Deland, FL | KTM 450 SX-F | |
| 13 |  Scott Champion | +40.787 | 0:57.131 | Temecula, CA | Yamaha YZ450F | |
| 14 |  Logan Karnow | +43.269 | 0:56.795 | Vermilion, OH | Kawasaki KX450 | |
| 15 |  Lane Shaw | +44.976 | 0:57.271 | Alvin, TX | KTM 250 SX-F | |
| 16 |  Cade Clason | +47.177 | 0:56.381 | Arcadia, OH | Kawasaki KX450 | |
| 17 |  Alex Ray | +48.869 | 0:56.608 | Jackson, TN | Kawasaki KX450 | |
| 18 |  AJ Catanzaro | +49.421 | 0:57.249 | Portland, CT | Kawasaki KX450 | |
| 19 |  Joshua Greco | 7 Laps | 0:58.244 | Valparaiso, IN | Husqvarna FC 450 | |
| 20 |  Josh Cartwright | 6 Laps | 0:56.863 | Tallahassee, FL | Kawasaki KX450 |
