% Wins
No Rank
% Poles
No Rank
% Fastest Laps
No Rank
Overall Results
Races
Races
| Pos | Date | Race | Entrant / Team | Championship |
|---|
Class
Class
| Pos | Class | Date | Race | Entrant / Team | Championship |
|---|---|---|---|---|---|
| 9 | Gr.5 | 1978-07-08 | XI Watkins Glen 6 hours | Rennsport Porsche Works S | World Sportscar |
| 3 | Gr.4 | 1977-07-09 | X Watkins Glen 6 hours | Michael Callas Rennsport Porsche S | World Sportscar |
| DNS | GTO | 1977-02-05 | XII Daytona 24 hours | Michael Callas | World Sportscar |
| DNF | Trans-Am | 1976-07-10 | IX Watkins Glen 6 hours | Michael Callas | World Sportscar |
Fastest Laps
Fastest Laps
No Fastest Laps
Pole Positions
Pole Positions
No Pole Positions
Wins
Wins
No Wins
Standings
Standings
| Position | Championship | Year |
|---|