1981 Formula 3 TT
Course name: Mountain (post 1914)
Course length: 150.92 miles (4 laps)
Competitors
| Position | Competitor(s) | Time | Speed | Machine |
|---|---|---|---|---|
| 1 | Smith, Barry | 1:30:51.40 | 99.66 | Yamaha |
| 2 | Raybon, Dave | 1:33:04.20 | 97.29 | Yamaha |
| 3 | Casement, Denis | 1:34:39.80 | 95.65 | Yamaha |
| 4 | Hunter, Dick | 1:36:24.60 | 93.92 | Yamaha |
| 5 | Arnold, Dave | 1:36:45.20 | 93.59 | Aermacchi |
| 6 | Millar, Jimmy | 1:38:09.00 | 92.25 | Aermacchi |
| 7 | Wheeler, Malcolm | 1:39:12.60 | 91.27 | HD Cagiva |
| 8 | Stephens, John | 1:39:27.40 | 91.05 | Honda |
| 9 | Gallagher, Denis | 1:39:40.80 | 90.84 | Aermacchi |
| 10 | Mortimer, Derek | 1:39:51.80 | 90.67 | Yamaha |
| 10= | Barrett, Paul | 1:39:51.80 | 90.67 | Aermacchi |
| 12 | Murray, Steve | 1:40:42.00 | 89.92 | Yamaha |
| 13 | Huxley, Derek | 1:40:58.20 | 89.68 | Honda |
| 14 | Randall, Douglas Arthur | 1:40:58.80 | 89.67 | Honda |
| 15 | Bevan, Colin | 1:42:53.00 | 88.01 | Yamaha |
| 16 | Trollope, Dennis | 1:43:15.00 | 87.7 | Yamaha |
| 17 | Brown, Henry | 1:43:35.60 | 87.41 | Cagiva |
| 18 | Kirwan, Mal | 1:44:38.60 | 86.53 | Honda |
| 19 | Kiddie, John | 1:44:55.00 | 86.3 | Yamaha |
| 20 | Pemberton, Tom | 1:45:52.00 | 85.53 | Yamaha |
| 21 | Hill, Bob | 1:46:19.60 | 85.16 | Honda |
| 22 | Bedlington, David | 1:46:40.20 | 84.89 | Aermacchi |
| 23 | Middleton, Jeff | 1:47:05.20 | 84.55 | Aermacchi |
| 24 | Brungger, Hansrudolph | 1:47:43.20 | 84.05 | Yamaha |
| 25 | Smith, David | 1:49:42.00 | 82.54 | Yamaha |
| 26 | Gasse, Harald | 1:49:46.00 | 82.49 | Yamaha |
| 27 | Niven, Ronnie | 1:51:48.00 | 80.99 | Aermacchi |
| 28 | Jones, Gordon | 1:56:03.20 | 78.02 | Yamaha |
| 29 | Lawley, John | 1:58:00.20 | 76.73 | Yamaha |
| R | Barker, Bill | Aermacchi | ||
| R | Richards, Ian | Honda | ||
| R | Rutter, Frank | Honda | ||
| R | Wise, Trevor | Morini | ||
| R | Orton, Bob | Suzuki | ||
| R | Bowman, Bill | Yamaha | ||
| R | Higham, Jack | Yamaha | ||
| R | Inwood, Ken | Yamaha | ||
| R | Klump, Achim | Yamaha | ||
| R | Labuschagne, Peter | Yamaha | ||
| R | Thorne, Chris | Yamaha | ||
| R | Tuxworth, Neil | Yamaha | ||
| R | Watts, Nev | Yamaha | ||
| R | Griffiths, Chris | Aermacchi | ||
| R | Smith, Bill | Honda | ||
| R | Ward, Steve | Suzuki |