2019 Monster Energy AMA Supercross Championship
Seattle - 450SX Group B Qualifying 1 Results
Centurylink Field
Seattle, WA US 
March 23, 2019
450SX Group B Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Ryan Breece | 49.546 | Coeur D' Alene, ID  | Yamaha YZ450F | ||
| 2 |  Austin Politelli | 49.936 | Menifee, CA | Honda CRF450R | ||
| 3 |  Casey Brennan | 50.061 | Albuquerque, NM | KTM 450 SX-F | ||
| 4 |  Adam Enticknap | 50.372 | Lompoc, CA | Suzuki RM-Z450 | ||
| 5 |  Daniel Herrlein | 50.548 | Wheeling, WV | Kawasaki KX450 | ||
| 6 |  Scotty Wennerstrom | 51.147 | Tyler, TX | Kawasaki KX450 | ||
| 7 |  Tyler Enticknap | 51.269 | Lompoc, CA | Honda CRF450R | ||
| 8 |  Tevin Tapia | 51.377 | Federal Way, WA | Yamaha YZ450F | ||
| 9 |  Theodore Pauli | 51.717 | Edwardsville, IL | Kawasaki KX450 | ||
| 10 |  Joan Cros | 51.982 | Manlleu  | Kawasaki KX250 | ||
| 11 |  Kyle Swanson | 52.140 | Adkins, TX | KTM 450 SX-F | ||
| 12 |  Vann Martin | 52.173 | Houston, TX | Honda CRF450R | ||
| 13 |  Alexander Nagy | 52.455 | Richmond, IL | KTM 450 SX-F | ||
| 14 | Colton Aeck | 52.524 | Granada Hills, CA | Honda CRF450R | ||
| 15 |  Broc Shoemaker | 53.368 | Agua Dulce, CA | Kawasaki KX450 | ||
| 16 | Johan Nystrom | 54.303 |  | Kawasaki KX450 | ||
| 17 | Dylan Summerlin | 54.380 | Kent, WA | Husqvarna TC250 |
