2018 Monster Energy AMA Supercross Championship St. Louis: 450SX Group B Qualifying 1 Results
250SX East March 17, 2018
450SX Group B Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Adam Enticknap | 50.837 | Lompoc, CA  | Honda CRF450R | ||
| 2 |  Justin Starling | 50.939 | Deland, FL | Husqvarna FC 250 | ||
| 3 |  AJ Catanzaro | 51.156 | Portland, CT | Kawasaki KX450F | ||
| 4 |  Dylan Merriam | 51.564 | Corona, CA | Yamaha YZ450F | ||
| 5 |  Henry Miller | 51.610 | Rochester, MN | Suzuki RM-Z450 | ||
| 6 |  Scott Champion | 51.639 | Temecula, CA | Yamaha YZ450F | ||
| 7 |  Chris Howell | 51.665 | Spokane, WA | Husqvarna FC 350 | ||
| 8 |  Ronnie Stewart | 51.724 | Easton, PA | Honda CRF450R | ||
| 9 |  Tevin Tapia | 52.370 | Federal Way, WA | Yamaha YZ450F | ||
| 10 |  Carlen Gardner | 52.417 | Paso Robles, CA | Honda CRF450R | ||
| 11 |  Theodore Pauli | 52.634 | Edwardsville, IL | Kawasaki KX450F | ||
| 12 |  Dustin Pipes | 52.815 | Fresno, CA | Suzuki RM-Z450 | ||
| 13 |  Alexander Nagy | 52.918 | Richmond, IL | KTM 450 SX-F | ||
| 14 |  Scotty Wennerstrom | 52.939 | Tyler, TX | Kawasaki KX450F | ||
| 15 | Brice Klippel | 53.126 | Bradford, TN | Honda CRF450R | ||
| 16 |  Deven Raper | 53.142 | Mesa, AZ | Kawasaki KX450F | ||
| 17 |  Bryce Stewart | 53.345 | Huntington Beach, CA | Yamaha YZ450F | ||
| 18 |  Chase Marquier | 53.474 | Newcastle, OK | Husqvarna FC 250 |
