2021 Sebring International Raceway INVITATIONAL
Entry list
| Car # | Driver 1 | Team | Car | Class |
|---|---|---|---|---|
| 27 | Jason Daskalos | Daskalos Motorsports | Audi R8 LMS | SRO3 |
| 77 | Rodrigo Sales | Compass Racing | Acura NSX GT3 | SRO3 |
| 88 | Jason Harward | Zelus Motorsports | Lamborghini Huracan GT3 | SRO3 |
| 101 | Memo Gidley | TKO with Flying Lizard Motorsports | Bentley Continental GT3 | SRO3 |
| 191 | Jeff Burton | Rearden Racing | Lamborghini Huracan GT3 | SRO3-M |
| 460 | Andy Wilzoch | Flying Lizard Motorsports | 911.1 GT3 R | SRO3-M |
| 8 | Elias Sabo | GMG Racing | Audi R8 LMS GT2 | GT2 |
| 2 | Jason Bell | GMG Racing | Aston Martin Vantage AMR GT4 | GT4 |
| 09 | Paul Kiebler | Automatic Racing | Aston Martin Vantage AMR GT4 | GT4 |
| 16 | John Allen | Capstone Motorsports | Mercedes-AMG GT4 | GT4 |
| 25 | Gray Newell | Heart of Racing Team | Aston Martin Vantage AMR GT4 | GT4 |
| 39 | Chris Cagnazzi | RENNtech Motorsports | Mercedes-AMG GT4 | GT4 |
| 49 | Scott Noble | NOLASPORT | Porsche 718 Cayman GT4 CS MR | GT4 |
| 50 | Ross Chouest | 3R Povoledo Racing | Aston Martin Vantage AMR GT4 | GT4 |
| 54 | Tim Pappas | Black Swan Racing | Porsche 718 Cayman GT4 CS MR | GT4 |
| 60 | Matt Rivard | Dexter Racing | Ginetta G56 | GT4 |
| 79 | Christopher Gumprecht | RENNtech Motorsports | Mercedes-AMG GT4 | GT4 |
| 119 | Sean Quinlan | Stephen Cameron Racing | BMW M4 GT4 | GT4 |
| 120 | Adam Adelson | Premier Racing | Porsche 718 Cayman GT4 CS MR | GT4 |
| 619 | Alain Stad | Stephen Cameron Racing | Porsche 718 Cayman GT4 CS MR | GT4 |
| 930 | Sameer Gandhi | CarBahn | Audi R8 LMS GT4 | GT4 |