1981 Formula 1 TT
Course name: Mountain (post 1914)
Course length: 226.38 miles (6 laps)
Competitors
| Position | Competitor(s) | Time | Speed | Machine |
|---|---|---|---|---|
| 1 | Crosby, Graeme | 2:01:28.80 | 111.81 | Suzuki |
| 2 | Haslam, Ron | 2:03:29.80 | 109.98 | Honda |
| 3 | Dunlop, Joey | 2:04:07.60 | 109.42 | Honda |
| 4 | Newbold, John | 2:06:36.80 | 107.27 | Suzuki |
| 5 | McClements, Sam | 2:06:54.80 | 107.02 | Suzuki |
| 6 | George, Alex | 2:07:02.20 | 106.92 | Honda |
| 7 | Jackson, Alan | 2:08:58.80 | 105.3 | Suzuki |
| 8 | Woods, Stan | 2:09:55.20 | 104.54 | Honda |
| 9 | Mortimer, Chas | 2:11:51.40 | 103.01 | Kawasaki |
| 10 | Rutter, Frank | 2:13:12.80 | 101.96 | Honda |
| 11 | Richards, Ian | 2:13:52.60 | 101.45 | Ducati |
| 12 | Nothiger, Max | 2:13:59.80 | 101.36 | Kawasaki |
| 13 | Armstrong, Roy | 2:15:23.60 | 100.32 | Suzuki |
| 14 | Hiscock, Dave | 2:15:39.60 | 100.12 | Suzuki |
| 15 | Wells, Jim | 2:15:49.20 | 100 | Kawasaki |
| 16 | Martin, Ian | 2:17:36.40 | 98.7 | Suzuki |
| 17 | Huggett, Fred | 2:17:43.60 | 98.62 | Honda |
| 18 | Jones, Jeff | 2:17:48.60 | 98.56 | Suzuki |
| 19 | Ingham, Bill | 2:18:08.20 | 98.32 | Ducati |
| 19= | Claude, Rob | 2:18:08.20 | 98.32 | Suzuki |
| 21 | Higham, Jack | 2:19:44.80 | 97.19 | Suzuki |
| 22 | Labuschagne, Peter | 2:21:07.80 | 96.24 | Kawasaki |
| 23 | Nation, Trevor | 2:23:08.00 | 94.89 | Suzuki |
| 25 | Gordon, Davy | 2:27:11.40 | 92.28 | Kawasaki |
| 26 | Kirwan, Mal | 2:27:22.20 | 92.16 | Ducati |
| 27 | Nussmuller, Gunther | 2:27:39.80 | 91.28 | Honda |
| 29 | Kerner, Hartley | 2:28:04.60 | 91.72 | BSA |
| 30 | Switzer, Ian | 2:29:55.80 | 90.59 | Suzuki |
| 31 | Bentman, Graham | 2:30:25.80 | 90.29 | Suzuki |
| 32 | Hunt, Michael | 2:32:26.00 | 89.1 | Kawasaki |
| 33 | Brungger, Hansrudolph | 2:34:10.80 | 88.09 | Moko |
| 34 | Wise, Trevor | 2:34:36.20 | 87.85 | Benelli |
| 35 | Kerby, Dave | 2:36:37.60 | 86.72 | Kawasaki |
| 36 | Fuleda, Hermann | 83.78 | Kawasaki | |
| R | Henshaw, Steve | Ducati | ||
| R | Copland, Alistair | Honda | ||
| R | Frame, Alistair | Honda | ||
| R | Mason, Dave | Honda | ||
| R | Hoffman, Andreas | Kawa | ||
| R | Burgan, Les | Kawasaki | ||
| R | Jeffreys, Roy | Kawasaki | ||
| R | McGregor, Graeme | Kawasaki | ||
| R | Moyce, Asa | Kawasaki | ||
| R | Sandall, Guy | Kawasaki | ||
| R | Wrettom, Kevin | Kawasaki | ||
| R | Fogarty, George | Suzuki | ||
| R | Getty, John | Suzuki | ||
| R | Shimmin, Danny | Suzuki | ||
| R | Butenuth, Hans-Otto | Yamaha | ||
| R | Tuxworth, Neil | Yamaha | ||
| R | Roberts, Eddie | Kawasaki | ||
| R | Smith, Bill | Triumph | ||
| R | Knight, Ray | Honda | ||
| R | Marshall, Roger | Moriwaki | ||
| R | Grant, Mick | Suzuki | ||
| R | Davies, Peter | Laverda |