2019 Monster Energy AMA Supercross Championship
Arlington (Dallas) - 450SX Group A Qualifying 1 Results
AT&T Stadium
Arlington, TX US 
February 16, 2019
450SX Group A Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Marvin Musquin | 50.597 | La Reole  | KTM 450 SX-F | ||
| 2 |  Justin Hill | 50.731 | Yoncalla, OR  | Suzuki RM-Z450 | ||
| 3 |  Eli Tomac | 51.292 | Cortez, CO | Kawasaki KX450 | ||
| 4 |  Cooper Webb | 51.579 | Newport, NC | KTM 450 SX-F | ||
| 5 |  Ken Roczen | 51.624 | Mattstedt  | Honda CRF450R | ||
| 6 |  Joey Savatgy | 51.672 | Thomasville, GA | Kawasaki KX450 | ||
| 7 |  Justin Barcia | 51.706 | Monroe, NY | Yamaha YZ450F | ||
| 8 |  Justin Brayton | 51.784 | Fort Dodge, IA | Honda CRF450R | ||
| 9 |  Cole Seely | 51.802 | Newbury Park, CA | Honda CRF450R | ||
| 10 |  Dean Wilson | 51.858 | Scotland  | Husqvarna FC 450 | ||
| 11 |  Blake Baggett | 52.386 | Grand Terrace, CA | KTM 450 SX-F | ||
| 12 |  Zach Osborne | 52.432 | Abingdon, VA | Husqvarna FC 450 | ||
| 13 |  Aaron Plessinger | 52.828 | Hamilton, OH | Yamaha YZ450F | ||
| 14 |  Chad Reed | 52.995 | Kurri Kurri  | Suzuki RM-Z450 | ||
| 15 |  Vince Friese | 53.085 | Cape Girardeau, MO | Honda CRF450R | ||
| 16 |  Justin Bogle | 53.103 | Cushing, OK | KTM 450 SX-F | ||
| 17 |  Tyler Bowers | 53.246 | Danville, KY | Kawasaki KX450 | ||
| 18 |  Alex Ray | 53.499 | Jackson, TN | Suzuki RM-Z450 | ||
| 19 |  Ben LaMay | 54.149 | Anchorage, AK | Honda CRF450R | ||
| 20 |  Carlen Gardner | 54.530 | Paso Robles, CA | Honda CRF450R | ||
| 21 |  Kyle Chisholm | 55.368 | Clearwater, FL | Suzuki RM-Z450 | ||
| 22 |  Cole Martinez | 55.775 | Rimrock, AZ | Suzuki RM-Z450 |
