2019 Sonoma Raceway
Sprint Entry list
| Car # | Driver 1 | Team | Car | Class |
|---|---|---|---|---|
| 2 | Jason Bell | GMG Racing | Porsche 718 Cayman CS MR | Sprint AM |
| 7 | Alan Brynjolfsson | Park Place Motorsports | Porsche 718 Cayman CS MR | Sprint AM |
| 10 | Michael Cooper | Blackdog Speed Shop | McLaren 570S GT4 | Sprint PRO |
| 11 | Tony Gaples | Blackdog Speed Shop | McLaren 570S GT4 | Sprint AM |
| 12 | Drew Staveley | Ian Lacy Racing | Ford Mustang GT4 | Sprint AM |
| 18 | Jarett Andretti | Andretti Autosport | McLaren 570S GT4 | Sprint PRO |
| 19 | Sean Quinlan | Stephen Cameron Racing | BMW M4 GT4 | Sprint AM |
| 20 | Matt Brabham | CRP Racing | Porsche Cayman GT4 CS-MR | Sprint PRO |
| 22 | Marko Radisic | Precision Driving Tech | BMW M4 GT4 | Sprint AM |
| 24 | Frank Gannett | Ian Lacy Racing | Ford Mustang GT4 | Sprint AM |
| 26 | Toby Grahovec | Classic BMW | BMW M4 GT4 | Sprint PRO |
| 30 | Erin Vogel | Flying Lizard Motorsports | Audi R8 LMS GT4 | Sprint AM |
| 50 | Ian James | Team Panoz Racing | Panoz Avezzano GT4 | Sprint PRO |
| 62 | Mark Klenin | KPR | McLaren 570S GT4 | Sprint AM |
| 66 | Spencer Pumpelly | TRG- The Racers Group | Porsche 718 Cayman CS MR | Sprint PRO |
| 71 | Nicolai Elghanayan | Marco Polo Motorsports | KTM X-bow | Sprint PRO |
| 72 | Shane Lewis | Robinson Racing | Chevrolet Camao GT4 | Sprint PRO |
| 74 | Gar Robinson | Robinson Racing | Chevrolet Camao GT4 | Sprint PRO |
| 80 | Dmitri Novikov | Rearden Racing | BMW M4 GT4 | Sprint AM |
| 88 | Henry Schmitt | Stephen Cameron Racing | BMW M4 GT4 | Sprint AM |
SprintX Entry list
| Car # | Driver 1 | Driver 2 | Team | Car | Class |
|---|---|---|---|---|---|
| 2 | James Sofronas | Jason Bell | GMG Racing | Audi R8 LMS GT4 | SprintX Am |
| 5 | Jeff Bader | Casey Dennis | USRD | Ginetta G55 | SprintX West Pro-Am |
| 16 | Kris Wilson | John Allen | Auto Technic Racing | BMW M4 GT4 | SprintX Am |
| 17 | Derek DeBoer | James Rappaport | TRG- The Racers Group | Porsche 718 Cayman CS MR | SprintX West Am |
| 19 | Sean Quinlan | Gregory Liefooghe | Stephen Cameron Racing | BMW M4 GT4 | SprintX Pro-Am |
| 24 | Frank Gannett | Drew Staveley | Ian Lacy Racing | Ford Mustang GT4 | SprintX West Am |
| 28 | Jon Miller | Harry Gottsacker | ST Racing | BMW M4 GT4 | SprintX West Pro-Am |
| 34 | Christian Szymczak | Kenny Murillo | Murillo Racing | Mercedes-AMG GT4 | SprintX West Pro-Am |
| 36 | Colin Mullan | Jarett Andretti | Andretti Autosport | McLaren 570S GT4 | SprintX Pro-Am |
| 38 | Samantha Tan | Jason Wolfe | ST Racing | BMW M4 GT4 | SprintX West Pro-Am |
| 43 | Sarah Cattaneo | Owen Trinkler | Rearden Racing | Audi R8 LMS GT4 | SprintX West Pro-Am |
| 46 | Mike Vess | John Capestro-Dubets | NOLASPORT | Porsche 718 Cayman CS MR | SprintX Am |
| 47 | Matt Travis | Jason Hart | NOLASPORT | Porsche 718 Cayman CS MR | SprintX Pro-Am |
| 51 | Preston Calvert | Matthew Keegan | Team Panoz Racing | Panoz Avezzano GT | SprintX Am |
| 67 | Chris Bellomo | Kevin Woods | TRG- The Racers Group | Porsche 718 Cayman CS MR | SprintX West Am |