2021 Monster Energy AMA Supercross Championship
Houston 3 (East) - 450SX Heat 2 Results
NRG Stadium
Houston, TX US 
January 23, 2021
450SX Heat 2 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Adam Cianciarulo | 9 Laps | 49.276 | Port Orange, FL  | Kawasaki KX450 | |
| 2 |  Eli Tomac | +02.587 | 49.035 | Cortez, CO | Kawasaki KX450 | |
| 3 |  Malcolm Stewart | +03.257 | 49.137 | Haines City, FL | Yamaha YZ450F | |
| 4 |  Martin Davalos | +04.790 | 49.173 | Quito  | KTM 450 SX-F | |
| 5 |  Justin Brayton | +06.992 | 49.184 | Fort Dodge, IA | Honda CRF450R | |
| 6 |  Dean Wilson | +10.770 | 49.722 | Scotland  | Husqvarna FC 450 | |
| 7 |  Justin Bogle | +24.286 | 50.282 | Cushing, OK | KTM 450 SX-F | |
| 8 |  Marvin Musquin | +24.972 | 49.153 | La Reole  | KTM 450 SX-F | |
| 9 |  Vince Friese | +27.671 | 50.987 | Cape Girardeau, MO | Honda CRF450R | |
| 10 |  Austin Politelli | +31.937 | 51.483 | Menifee, CA | Honda CRF450R | |
| 11 |  Broc Tickle | +34.417 | 51.722 | Holly, MI | Honda CRF450R | |
| 12 |  Kyle Chisholm | +38.179 | 50.723 | Clearwater, FL | Yamaha YZ450F | |
| 13 |  Justin Starling | +40.673 | 52.137 | Deland, FL | KTM 450 SX-F | |
| 14 |  Ronnie Stewart | +41.652 | 52.297 | Easton, PA | GasGas | |
| 15 |  Adam Enticknap | +44.218 | 52.872 | Lompoc, CA | Suzuki RM-Z450 | |
| 16 |  Nick Schmidt | +48.858 | 53.601 | Maryville, WA | Husqvarna FC 450 | |
| 17 |  AJ Catanzaro | +58.510 | 54.524 | Portland, CT | Kawasaki KX450 | |
| 18 |  Ludovic Macler | 8 laps | 54.817 | Bliesbruck | Kawasaki KX450 | |
| 19 |  Carter Stephenson | +06.310 | 54.652 | Rolla, MO | Kawasaki KX450 | |
| 20 |  Deven Raper | 6 laps | 54.602 | Mesa, AZ | Kawasaki KX450 |
