James Weaver (Can-Am)
Thierry Boutsen (GT1)
Scott Sansone (GT2)
Cameron Worth (GT2)
Ross Bentley (GT3)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1998.01.31 - 02.01 | Can-Am | Ferrari 333 SP | Doran/Moretti Racing | |
| GT1 | Porsche 911 GT1 Evo | Rohr Motorsport | ||||
| GT2 | Porsche 911 GT2 |  Konrad Motorsport | ||||
| GT3 | BMW M3 | Prototype Technology Group | ||||
| 2 | Homestead-Miami | 1998.05.17 | Can-Am | Riley & Scott Mk III - Ford | Dyson Racing | |
| GT1 | Panoz GTR-1 - Ford | Panoz-Visteon Racing | ||||
| GT2 | BMW M3 | Bell Motorsports | ||||
| GT3 | BMW M3 | Prototype Technology Group | ||||
| 3 | Mid-Ohio | 1998.06.14 | Can-Am | Riley & Scott Mk III - Ford | Dyson Racing | |
| GT1 | Panoz GTR-1 - Ford | Panoz-Visteon Racing | ||||
| GT2 | Porsche 911 GT2 | Schumacher Racing | ||||
| GT3 | BMW M3 | Prototype Technology Group | ||||
| 4 | Minneapolis | 1998.06.28 | Can-Am | Riley & Scott Mk III - Ford | Dyson Racing | |
| GT1 | Panoz GTR-1 - Ford | Panoz-Visteon Racing | ||||
| GT2 | BMW M3 | Prototype Technology Group | ||||
| GT3 | BMW M3 | Prototype Technology Group | ||||
| 5 | Watkins Glen | 1998.08.23 | Can-Am | Ferrari 333 SP | Moretti/Doran Racing | |
| GT1 | Porsche 911 GT1 Evo | Champion Motors | ||||
| GT2 | Porsche 911 Carrera RSR | Alex Job Racing | ||||
| GT3 | Porsche 911 Carrera RSR | Alex Job Racing |
