2018 Monster Energy AMA Supercross Championship St. Louis: 450SX Heat 1 Results
250SX East March 17, 2018
450SX Heat 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Justin Brayton | 47.442 | 9 Laps | Fort Dodge, IA  | Honda CRF450R | |
| 2 |  Dean Wilson | 48.221 | +02.665 | Scotland, United Kingdom  | Husqvarna FC 450 | |
| 3 |  Broc Tickle | 48.319 | +06.108 | Holly, MI | KTM 450 SX-F | |
| 4 |  Christian Craig | 48.830 | +08.348 | Temecula, CA | Honda CRF450R | |
| 5 |  Tyler Bowers | 47.942 | +18.087 | Danville, KY | Kawasaki KX450F | |
| 6 |  Benny Bloss | 50.022 | +19.935 | Oak Grove, MO | KTM 450 SX-F | |
| 7 |  Ben LaMay | 50.002 | +21.942 | Anchorage, AK | Honda CRF450R | |
| 8 |  Kyle Chisholm | 49.911 | +23.417 | Clearwater, FL | Yamaha YZ450F | |
| 9 |  Adam Enticknap | 50.977 | +27.869 | Lompoc, CA | Honda CRF450R | |
| 10 |  AJ Catanzaro | 51.664 | +33.052 | Portland, CT | Kawasaki KX450F | |
| 11 |  Dylan Merriam | 52.217 | +35.434 | Corona, CA | Yamaha YZ450F | |
| 12 |  Carlen Gardner | 52.259 | +38.549 | Paso Robles, CA | Honda CRF450R | |
| 13 |  Cade Autenrieth | 51.460 | +42.162 | Hemet, CA | KTM 450 SX-F | |
| 14 |  Theodore Pauli | 52.310 | +45.763 | Edwardsville, IL | Kawasaki KX450F | |
| 15 |  Alexander Nagy | 52.983 | +47.876 | Richmond, IL | KTM 450 SX-F | |
| 16 |  Bryce Stewart | 52.754 | +49.241 | Huntington Beach, CA | Yamaha YZ450F | |
| 17 |  Ronnie Stewart | 52.231 | +50.129 | Easton, PA | Honda CRF450R | |
| 18 |  Brice Klippel | 53.267 | 8 Laps | Bradford, TN | Honda CRF450R | |
| 19 |  Dustin Pipes | 52.833 | +29.808 | Fresno, CA | Suzuki RM-Z450 | |
| 20 |  Bradley Taft | 50.451 | 4 Laps | Nixa, MO | Yamaha YZ250F |
