2019 Portland International Raceway
SprintX Entry list
| Car # | Driver 1 | Driver 2 | Team | Car | Class |
|---|---|---|---|---|---|
| 5 | Jeff Bader | Casey Dennis | USRD | Audi R8 LMS GT4 | SprintX West Pro-Am |
| 8 | Michael McAleenan | Jerold Lowe | Motorsports USA | Maserati Grand Turismo MC GT4 | SprintX West Pro-Am |
| 15 | Will Wattanawongkiri | James Li | 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 |
| 21 | Michael Dinan | Robby Foley | Flying Lizard Motorsports | Porsche 718 Cayman CS MR | 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 |
| 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 |
| 54 | Bob Michaelian | Ross Smith | Racers Edge Motorsports | Sin R1 | SprintX Pro-Am |
| 63 | Ryan Dexter | Warren Dexter | Dexter Racing | Ginetta G55 | SprintX Pro-Am |
| 67 | Chris Bellomo | Kevin Woods | TRG - The Racers Group | Porsche 718 Cayman CS MR | SprintX West Am |
| 91 | Vesko Kozarov | Jeff Burton | Rearden Racing | Audi R8 LMS GT4 | SprintX West Am |
| 592 | Mark Ramsey | Alexandre Premat | Ramsey Racing/EXR Team by Premat | Mercedes-AMG GT4 | SprintX Pro-Am |