2018 Monster Energy AMA Supercross Championship
Seattle - 250SX West Results
Centurylink Field
Seattle, WA US 
April 7, 2018
250SX West Main Event Results
| Rider | Time | Interval | Best Lap | Hometown | Bike | |
|---|---|---|---|---|---|---|
| 1 |  Aaron Plessinger | 1:15.928 | 8 Laps | Hamilton, OH  | Yamaha YZ250F | |
| 2 |  Chase Sexton | 1:20.364 | +33.021 | La Moille, IL | Honda CRF250R | |
| 3 |  Adam Cianciarulo | 1:18.203 | +42.955 | Port Orange, FL | Kawasaki KX250F | |
| 4 |  Shane McElrath | 1:17.534 | +50.693 | Canton, NC | KTM 250 SX-F | |
| 5 |  Justin Starling | 1:20.511 | +53.329 | Deland, FL | Husqvarna FC 250 | |
| 6 |  Mitchell Oldenburg | 1:21.196 | +56.204 | Alvord, TX | Yamaha YZ250F | |
| 7 |  Mitchell Harrison | 1:22.487 | +56.208 | Lansing, MI | Husqvarna FC 250 | |
| 8 |  Kyle Chisholm | 1:23.410 | +59.221 | Clearwater, FL | Yamaha YZ250F | |
| 9 |  Justin Hill | 1:23.004 | +1:13.053 | Yoncalla, OR | Suzuki RM-Z250 | |
| 10 |  Hayden Mellross | 1:24.364 | +1:16.992 |  | Yamaha YZ250F | |
| 11 |  Phil Nicoletti | 1:21.643 | +1:30.772 | Cochecton, NY | Suzuki RM-Z250 | |
| 12 |  Joey Savatgy | 1:19.056 | 7 Laps | Thomasville, GA | Kawasaki KX250F | |
| 13 |  Dylan Summerlin | 1:24.805 | +01.445 | Kent, WA | Husqvarna FC 250 | |
| 14 |  Brandan Leith | 1:28.007 | +16.146 | Eagle Mountain, UT | Kawasaki KX250F | |
| 15 |  Chase Marquier | 1:25.581 | +17.362 | Newcastle, OK | Husqvarna FC 250 | |
| 16 |  Dakota Alix | 1:26.631 | +22.367 | Jay, VT | KTM 250 SX-F | |
| 17 |  Jess Pettis | 1:31.279 | +35.660 | Prince George, BC  | Yamaha YZ250F | |
| 18 | Chance Blackburn | 1:31.238 | +41.454 | Spokane, WA | KTM 250 SX-F | |
| 19 | Kele Russell | 1:29.263 | +49.663 | Seabeck, WA | Husqvarna FC 250 | |
| 20 |  Tallon Lafountaine | 1:36.016 | +1:03.243 | Banning, CA | Suzuki RM-Z250 | |
| 21 |  Josh Mosiman | 1:31.050 | 6 Laps | Sebastopol, CA | Husqvarna FC 250 | |
| 22 |  Noah Mcconahy | 1:41.124 | 5 Laps | Spokane, WA | Yamaha YZ250F |
