2021 / Watkins Glen International
Entry list
| Car # | Driver 1 | Team | Car | Series |
|---|---|---|---|---|
| 5 | Roy Block | KMW Motorsports with TMR Engineering | BMW M2 CS (Cup) | TCX |
| 30 | Steve Streimer | Hard Motorsport | BMW M2 CS (Cup) | TCX |
| 38 | Joseph Catania | Rigid Speed | BMW M2 CS (Cup) | TCX |
| 81 | Jacob Ruud | Classic BMW | BMW M2 CS (Cup) | TCX |
| 06 | Matthew Ibrahim | DRS & Garagistic | BMW M240iR | TC |
| 09 | Kris Valdez | DRS & Garagistic | BMW M240iR | TC |
| 9 | Kevin Boehm | DXDT Racing | Honda Civic Type-R | TC |
| 21 | Rob Hines | TechSport Racing | Nissan 370Z | TC |
| 28 | Ken Fukuda | Skip Barber Racing School | Honda Civic Type-R | TC |
| 29 | Lindsay Brewer | Skip Barber Racing School | Honda Civic Type-R | TC |
| 37 | Mike LaMarra | LA Honda World Racing | Honda Civic Type-R | TC |
| 51 | Austen Smith | Auto Technic Racing | BMW M240iR | TC |
| 52 | Tom Capizzi | Auto Technic Racing | BMW M240iR | TC |
| 60 | Derek Jones | MINI JCW Team | MINI JCW PRO TC | TC |
| 70 | Joey Jordan | FTG | Mazda 3 | TC |
| 78 | Jeff Ricca | Genracer | Hyundai Veloster N TC | TC |
| 88 | Kurt Washeim | Genracer | Hyundai Veloster N TC | TC |
| 92 | Eric Powell | Skip Barber Racing School | Honda Civic Type-R | TC |
| 2 | Colin Harrison | Skip Barber Racing School | Honda Civic Si | TCA |
| 16 | Carter Fartuch | Skip Barber Racing School | Honda Civic Si | TCA |
| 18 | Caleb Bacon | Forbush Performance | Hyundai Veloster Turbo TCA | TCA |
| 20 | Mike Stillwagon | Skip Barber Racing School | Honda Civic Si | TCA |
| 22 | Jesse Love | TechSport Racing | Toyota 86 | TCA |
| 25 | PJ Groenke | TechSport Racing | Toyota 86 | TCA |
| 33 | Luke Rumburg | Forbush Performance | Hyundai Veloster Turbo TCA | TCA |
| 62 | Clayton Williams | MINI JCW Team | Mini Cooper | TCA |
| 77 | Mario Biundo | LA Honda World Racing | Honda Civic Si | TCA |
| 99 | Jose Blanco | VGMC Racing | Honda Civic Si | TCA |
| 780 | Sally McNulty | Team Sally Racing | Honda Civic Si | TCA |