2019 Monster Energy AMA Supercross Championship Arlington (Dallas): 450SX Heat 1 Results
250SX East February 16, 2019
450SX Heat 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Ken Roczen | 50.301 | 9 Laps | Mattstedt, Germany  | Honda CRF450R | |
| 2 |  Justin Hill | 50.545 | +04.779 | Yoncalla, OR  | Suzuki RM-Z450 | |
| 3 |  Joey Savatgy | 50.838 | +06.818 | Thomasville, GA | Kawasaki KX450 | |
| 4 |  Dean Wilson | 50.864 | +07.228 | Scotland, United Kingdom  | Husqvarna FC 450 | |
| 5 |  Justin Brayton | 51.510 | +16.825 | Fort Dodge, IA | Honda CRF450R | |
| 6 |  Aaron Plessinger | 51.438 | +18.875 | Hamilton, OH | Yamaha YZ450F | |
| 7 |  Carlen Gardner | 52.730 | +21.316 | Paso Robles, CA | Honda CRF450R | |
| 8 |  Ben LaMay | 52.445 | +22.529 | Anchorage, AK | Honda CRF450R | |
| 9 |  Zach Osborne | 51.463 | +23.935 | Abingdon, VA | Husqvarna FC 450 | |
| 10 |  Kyle Chisholm | 52.160 | +26.391 | Clearwater, FL | Suzuki RM-Z450 | |
| 11 |  Adam Enticknap | 53.636 | +37.079 | Lompoc, CA | Suzuki RM-Z450 | |
| 12 |  Dylan Merriam | 54.218 | +40.719 | Corona, CA | Husqvarna FC 450 | |
| 13 |  Ronnie Stewart | 54.689 | +46.160 | Easton, PA | Husqvarna FC 450 | |
| 14 |  AJ Catanzaro | 54.696 | +47.798 | Portland, CT | Kawasaki KX450 | |
| 15 |  Casey Brennan | 55.365 | +47.957 | Albuquerque, NM | KTM 450 SX-F | |
| 16 |  Daniel Herrlein | 54.786 | +51.490 | Wheeling, WV | Kawasaki KX450 | |
| 17 |  Theodore Pauli | 55.436 | +57.751 | Edwardsville, IL | Kawasaki KX450 | |
| 18 |  Jared Lesher | 56.098 | 8 Laps | Elderton, PA | Honda CRF450R | |
| 19 |  Logan Karnow | 56.929 | +11.795 | Vermilion, OH | Kawasaki KX250 | |
| 20 |  Alex Ray | 52.779 | 6 Laps | Jackson, TN | Suzuki RM-Z450 |
