| Posn | No. | Name | Lap | Elapsed Time | Diff to Leader | Average Speed | Lap Time | Lap Speed |
| 1st | 11 | Alan Oversby | 1 | 3:16.168 | 77.994 | -.--- | ||
| 2nd | 12 | Allan Brew | 1 | 3:20.993 | 04.825 | 76.122 | -.--- | |
| 3rd | 32 | Tony Cawte | 1 | 3:22.688 | 06.520 | 75.485 | -.--- | |
| 4th | 10 | Paul Dobbs | 1 | 3:23.962 | 07.794 | 75.014 | -.--- | |
| 5th | 31 | Derek Whalley | 1 | 3:26.168 | 10.000 | 74.211 | -.--- | |
| 6th | 15 | John Barton | 1 | 3:27.068 | 10.900 | 73.889 | -.--- | |
| 1st | 11 | Alan Oversby | 2 | 6:25.726 | 79.331 | 3:09.558 | 80.714 | |
| 2nd | 12 | Allan Brew | 2 | 6:29.581 | 03.855 | 78.546 | 3:08.588 | 81.129 |
| 3rd | 32 | Tony Cawte | 2 | 6:30.669 | 04.943 | 78.327 | 3:07.981 | 81.391 |
| 4th | 31 | Derek Whalley | 2 | 6:36.518 | 10.792 | 77.172 | 3:10.350 | 80.378 |
| 5th | 10 | Paul Dobbs | 2 | 6:36.855 | 11.129 | 77.106 | 3:12.893 | 79.319 |
| 6th | 8 | Alec Whitwell | 2 | 6:37.487 | 11.761 | 76.984 | 3:09.823 | 80.601 |
| 1st | 11 | Alan Oversby | 3 | 9:29.068 | 80.658 | 3:03.342 | 83.451 | |
| 2nd | 12 | Allan Brew | 3 | 9:33.773 | 04.705 | 79.997 | 3:04.192 | 83.065 |
| 3rd | 32 | Tony Cawte | 3 | 9:35.597 | 06.529 | 79.743 | 3:04.928 | 82.735 |
| 4th | 8 | Alec Whitwell | 3 | 9:45.866 | 16.798 | 78.346 | 3:08.379 | 81.219 |
| 5th | 10 | Paul Dobbs | 3 | 9:46.999 | 17.931 | 78.194 | 3:10.144 | 80.465 |
| 6th | 31 | Derek Whalley | 3 | 9:47.459 | 18.391 | 78.133 | 3:10.941 | 80.129 |
| 1st | 11 | Alan Oversby | 4 | 12:31.385 | 81.450 | 3:02.317 | 83.920 | |
| 2nd | 12 | Allan Brew | 4 | 12:35.186 | 06.118 | 81.040 | 3:01.413 | 84.338 |
| 3rd | 32 | Tony Cawte | 4 | 12:38.636 | 09.568 | 80.671 | 3:03.039 | 83.589 |
| 4th | 8 | Alec Whitwell | 4 | 12:55.030 | 25.962 | 78.965 | 3:09.164 | 80.882 |
| 5th | 10 | Paul Dobbs | 4 | 12:55.481 | 26.413 | 78.919 | 3:08.482 | 81.175 |
| 6th | 31 | Derek Whalley | 4 | 12:56.261 | 27.193 | 78.839 | 3:08.802 | 81.037 |
| 1st | 11 | Alan Oversby | 5 | 15:32.118 | 82.071 | 3:00.733 | 84.655 | |
| 2nd | 12 | Allan Brew | 5 | 15:34.631 | 05.563 | 81.850 | 2:59.445 | 85.263 |
| 3rd | 32 | Tony Cawte | 5 | 15:43.358 | 14.290 | 81.093 | 3:04.722 | 82.827 |
| 4th | 8 | Alec Whitwell | 5 | 15:59.993 | 30.925 | 79.688 | 3:04.963 | 82.719 |
| 5th | 10 | Paul Dobbs | 5 | 16:00.785 | 31.717 | 79.622 | 3:05.304 | 82.567 |
| 6th | 31 | Derek Whalley | 5 | 16:01.835 | 32.767 | 79.535 | 3:05.574 | 82.447 |
| 1st | 11 | Alan Oversby | 6 | 18:29.635 | 82.730 | 2:57.517 | 86.189 | |
| 2nd | 12 | Allan Brew | 6 | 18:37.691 | 08.623 | 82.134 | 3:03.060 | 83.579 |
| 3rd | 32 | Tony Cawte | 6 | 18:50.060 | 20.992 | 81.235 | 3:06.702 | 81.949 |
| 4th | 8 | Alec Whitwell | 6 | 19:07.513 | 38.445 | 79.999 | 3:07.520 | 81.591 |
| 5th | 10 | Paul Dobbs | 6 | 19:07.709 | 38.641 | 79.985 | 3:06.924 | 81.851 |
| 6th | 31 | Derek Whalley | 6 | 19:08.498 | 39.430 | 79.930 | 3:06.663 | 81.966 |