Elliott Forbes-Robinson (Can-Am)
Butch Leitzinger (Can-Am)
Larry Schumacher (GT2)
John O'Steen (GT2)
Cort Wagner (GT3)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1999.01.30 - 01.31 | Can-Am | Riley & Scott Mk III - Ford | Dyson Racing Team, Inc. | |
| GT2 | Porsche 911 GT2 |  Roock Racing | ||||
| GT3 | Porsche 911 Carrera RSR | Alex Job Racing | ||||
| 2 | Lime Rock Park | 1999-??-?? | Can-Am | Ferrari 333 SP | Doran Lista Ferrari | |
| GT2 | Mosler Intruder | Mosler Automotive | ||||
| GT3 | BMW M3 | Prototype Technology Group | ||||
| 3 | Mid-Ohio | 1999.06.06 | Can-Am | Riley & Scott Mk III - Ford | Dyson Racing Team Inc. | |
| GT2 | Porsche 911 GT2 | Schumacher Racing | ||||
| GT3 | Porsche 911 Carrera RSR | Reiser/Callas Rennsport | ||||
| - | Homestead-Miami | 1999.09.25 | Can-Am | Wyścig odwołany | ||
| GT2 | Wyścig odwołany | |||||
| GT3 | Wyścig odwołany | |||||
| - | Watkins Glen | 1999.10.02 | Can-Am | Wyścig odwołany | ||
| GT2 | Wyścig odwołany | |||||
| GT3 | Wyścig odwołany | |||||
