2021 Monster Energy AMA Supercross Championship
Arlington 1 (West) - 250SX West Group B Qualifying 1 Results
AT&T Stadium
Arlington, TX US 
March 13, 2021
250SX West Group B Qualifying 1 Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Jerry Robin | 47.2860 | Hamel, MN  | Husqvarna FC 250 | ||
| 2 |  Dominique Thury | 47.4820 | Schneeberg  | Yamaha YZ250F | ||
| 3 |  Carson Mumford | 47.6060 | Simi Valley, CA | Honda CRF250R | ||
| 4 |  Derek Kelley | 48.0240 | Riverside, CA | GasGas MC 250F | ||
| 5 |  Ty Masterpool | 48.3120 | Paradise, TX | GasGas MC 250F | ||
| 6 |  Chase Marquier | 48.3400 | Newcastle, OK | Kawasaki KX250 | ||
| 7 |  Dustin Winter | 48.3420 | Clearwater, KS | Yamaha YZ250F | ||
| 8 | Jared Lesher | 48.4440 | Elderton, PA | Yamaha YZ250F | ||
| 9 |  Jake Masterpool | 48.5000 | Paradise, TX | KTM 250 SX-F | ||
| 10 |  Bradley Lionnet | 48.6160 |  | KTM 250 SX-F | ||
| 11 |  Ryan Surratt | 48.6600 | Corona, CA | Kawasaki KX250 | ||
| 12 |  Logan Leitzel | 48.8770 | Dillsburg, PA | Kawasaki KX250 | ||
| 13 |  Chris Howell | 49.2140 | Spokane, WA | Kawasaki KX250 | ||
| 14 | Blaine Silveira | 49.2170 | Lemoore, CA | Honda CRF250R | ||
| 15 | Colby Copp | 49.7230 | Los Banos, CA | KTM 250 SX-F | ||
| 16 | Chance Blackburn | 49.8860 | Spokane, WA | Yamaha YZ250F | ||
| 17 | Garrett Hoffman | 50.2790 | Clermont, FL | Yamaha YZ250F | ||
| 18 |  Colton Eigenmann | 50.4710 | Titusville, FL | Yamaha YZ250F | ||
| 19 |  Nathan Augustin | 50.6220 | Fayetteville, NC | Yamaha YZ250F | ||
| 20 | Kyle Greeson | 50.6570 | Knightsen, CA | KTM 250 SX-F |
