AMA 450 Supercross – Foxborough
| 2025 | Aaron Plessinger |
| 2024 | Cooper Webb |
| 2022 | Jason Anderson |
| 2018 | Marvin Musquin |
| 2016 | Ken Roczen |
Team
| 2025 | Red Bull KTM Factory Racing |
| 2024 | Monster Energy Yamaha Star Racing |
| 2022 | Monster Energy Kawasaki |
| 2018 | Red Bull KTM |
| 2016 | RCH Suzuki Factory Racing |
Qualifying
| 2025 | 1:14.827 | Justin Barcia |
| 2024 | 0:51.708 | Cooper Webb |
| 2022 | 0:49.956 | Chase Sexton |
| 2018 | 0:52.536 | Eli Tomac |
| 2016 | 1:01.793 | Ryan Dungey |
