Results from round ten of 2021 Monster Energy Supercross, Arlington 1, on Saturday, March 13. All of the 450SX and 250SX West results from Texas will be added to this immediately following each session, so save the link and check back regularly for easy-to-view results from AT&T Stadium. The latest results are at the top of this page. Details on how to watch Arlington 1 can be found elsewhere on MX Vice.
| 450SX Championship Standings |
| 250SX Championship Standings |
| 450SX Last Chance (19:22) |
| 250SX Last Chance (19:11) |
| 450SX Combined Qualifying (15:35) |
| 250SX Combined Qualifying (14:50) |
Words: Lewis Phillips | Lead Image: Align With Us
