1981 / IMSA / Teammates Comparison
Race
| Details | Hurley Haywood - Bruce Leven | Bayside Racing | 1 - 0 | Details | Danny Ongais - Ted Field | Interscope Racing | 2 - 0 | Details | John Paul - John Paul Jr. | JLP Racing | 1 - 0 | Details | Walt Bohren - Lee Mueller | Kent Racing | 6 - 3 | Details | Walt Bohren - Kathy Rude | Kent Racing | 2 - 0 |
| Details | Lee Mueller - Rick Knoop | Kent Racing | 1 - 1 |
| Details | Rick Knoop - Lee Mueller | Kent Racing | 1 - 1 | Details | Lee Mueller - Kathy Rude | Kent Racing | 1 - 0 | Details | Rick Knoop - Kathy Rude | Kent Racing | 1 - 0 | Details | Sam Posey - Fred Stiff | NTS Racing | 2 - 0 | Details | Rene Rodriguez - Tico Almeida | T and R Racing | 1 - 0 |
Qualifying
| Hurley Haywood - Bruce Leven | Bayside Racing | 1 - 0 | Jim Adams - Chris Cord | Chris Cord Racing | 1 - 0 | Ted Field - Danny Ongais | Interscope Racing | 1 - 1 | Danny Ongais - Ted Field | Interscope Racing | 1 - 1 | Ted Field - Bill Whittington | Interscope Racing | 1 - 0 | John Paul Jr. - John Paul | JLP Racing | 1 - 0 | Lee Mueller - Walt Bohren | Kent Racing | 4 - 3 | Lee Mueller - Rick Knoop | Kent Racing | 1 - 0 | Kathy Rude - Rick Knoop | Kent Racing | 1 - 0 | Kathy Rude - Walt Bohren | Kent Racing | 1 - 0 | Sam Posey - Fred Stiff | NTS Racing | 2 - 0 | Rene Rodriguez - Tico Almeida | T and R Racing | 3 - 0 | Fred Flaquer - Tico Almeida | T and R Racing | 1 - 0 | Klaus Ludwig - Peter Kuhn | Zakspeed Racing | 1 - 0 | Klaus Ludwig - Kevin Cogan | Zakspeed Racing | 1 - 0 | Rick Mears - Kevin Cogan | Zakspeed Racing | 1 - 0 | Rick Mears - Klaus Ludwig | Zakspeed Racing | 1 - 0 | Rick Mears - Peter Kuhn | Zakspeed Racing | 1 - 0 |