10th June RACES
[1] 250/600cc
| Pos | No. | Name | Machine | Laps | Total Tm | Avg. Speed | Best Tm | Best Spd | In Lap |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 31 | Ian Lougher | 600 Honda | 7 | 17:22.494 | 102.734 | 2:27.697 | 103.590 | 2 |
| 2 | 38 | Mark Parrett | 600 Yamaha | 7 | 17:28.226 | 102.173 | 2:26.265 | 104.605 | 5 |
| 3 | 59 | *Tim Poole | 600 Yamaha | 7 | 17:31.948 | 101.811 | 2:26.993 | 104.087 | 6 |
| 4 | 39 | Si Fulton | 600 MBR Honda | 7 | 17:37.004 | 101.324 | 2:29.358 | 102.438 | 7 |
| 5 | 33 | Paul Hunt | 600 Honda | 7 | 17:37.432 | 101.283 | 2:28.073 | 103.327 | 7 |
| 6 | 63 | *Paul Dobbs | 600 Triumph | 7 | 17:38.992 | 101.134 | 2:29.269 | 102.500 | 5 |
| 7 | 43 | Stephen Oates | 600 Yamaha | 7 | 17:49.156 | 100.172 | 2:29.912 | 102.060 | 2 |
| 8 | 36 | John Burrows | 600 H M Yamaha | 7 | 17:49.427 | 100.147 | 2:30.868 | 101.413 | 3 |
| 9 | 70 | Chris Palmer | 250 Mannin Honda | 7 | 17:50.623 | 100.035 | 2:30.933 | 101.369 | 5 |
| 10 | 42 | Derran Slous | 599 Honda | 7 | 17:54.475 | 99.677 | 2:31.547 | 100.959 | 4 |
| 11 | 62 | Mike Hose | 600 Honda | 7 | 17:54.657 | 99.660 | 2:31.084 | 101.268 | 7 |
| 12 | 40 | Victor Gilmore | 600 Honda | 7 | 18:04.389 | 98.765 | 2:31.691 | 100.863 | 7 |
| 13 | 51 | Andy Cowin | 600 Yamaha | 7 | 18:54.003 | 94.444 | 2:38.831 | 96.329 | 7 |
| 14 | 80 | *Davy Morgan | 250 DMRR Honda | 7 | 18:54.268 | 94.422 | 2:38.934 | 96.266 | 7 |
| 15 | 52 | Kirk Farrow | 600 Honda | 7 | 19:16.072 | 92.641 | 2:41.770 | 94.579 | 6 |
| 16 | 56 | Adam Jones | 600 Honda | 7 | 19:16.641 | 92.596 | 2:42.185 | 94.337 | 7 |
| 17 | 50 | *Etienne Godart | 600 Bullock Yamaha | 7 | 19:31.947 | 91.386 | 2:42.023 | 94.431 | 5 |
| 18 | 53 | *Bill Callister | 599 Honda | 7 | 19:38.367 | 90.888 | 2:44.816 | 92.831 | 4 |
| 19 | 72 | Alan 'Bud' Jackson | 250 Honda | 7 | 19:43.226 | 90.515 | 2:44.825 | 92.826 | 6 |
| 20 | 55 | *Steve McDonald | 599 Honda | 6 | 17:20.000 | 88.269 | 2:50.683 | 89.640 | 2 |
| 21 | 78 | Wally Kneale | 250 Yamaha | 6 | 17:20.246 | 88.248 | 2:48.356 | 90.879 | 4 |
| 22 | 82 | Dean Martin | 250 Padgett Honda | 6 | 17:24.886 | 87.856 | 2:50.656 | 89.654 | 5 |
| 23 | 54 | *Peter Simpson | 600 Suzuki | 6 | 17:29.823 | 87.443 | 2:47.393 | 91.402 | 5 |
| DNF | 35 | Gary Carswell | 600 Yamaha | 6 | 15:32.855 | 98.408 | 2:32.242 | 100.498 | 5 |
| DNF | 37 | Dave Madsen-Mydgal | 600 Honda | 6 | 15:59.648 | 95.660 | 2:36.512 | 97.756 | 3 |
| DNF | 76 | Carl Roberts | 250 Honda | 5 | 14:35.611 | 87.368 | 2:46.382 | 91.957 | 5 |
| DNF | 46 | *Scott Wilson | 600 Jackson Kawasaki | 2 | 5:47.739 | 87.997 | 3:01.758 | 84.178 | 2 |
| DNF | 75 | Neil Chadwick | 250 Yamaha | 1 | 3:08.417 | 81.203 | -.--- | - | 1 |
| DNS | 34 | *Mark Buckley | 600 Honda | 0 | -.--- | - | -.--- | - | 0 |
| DNS | 74 | Chris Barratt | 250 Yamaha | 0 | -.--- | - | -.--- | - | 0 |
| DNS | 77 | Terry Crane | 250 Yamaha | 0 | -.--- | - | -.--- | - | 0 |
| DNS | 81 | Robert McCrum | 250 Honda | 0 | -.--- | - | -.--- | - | 0 |
| DNS | 73 | Dave Hedison | 250 Yamaha | 0 | -.--- | - | -.--- | - | 0 |