1980 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 | 1:38:26.40 | 91.98 | Yamaha |
| 2 | Griffiths, Chris | 1:39:02.80 | 91.42 | Aermacchi |
| 3 | Haslam, Ron | 1:40:18.20 | 90.27 | Honda |
| 4 | Hunter, Richard | 1:41:41.00 | 89.05 | Suzuki |
| 5 | Casement, Denis | 1:42:24.60 | 88.42 | Yamaha |
| 6 | Wheeler, Malcolm | 1:42:51.20 | 88.04 | Aermacchi |
| 7 | Jones, Ron | 1:43:04.40 | 87.85 | Yamaha |
| 8 | Arnold, Dave | 1:43:09.00 | 87.78 | Aermacchi |
| 9 | Stephens, John | 1:43:34.60 | 87.42 | Honda |
| 10 | Poxon, Mick | 1:45:13.00 | 86.06 | Honda |
| 11 | Bowman, Bill | 1:45:55.80 | 85.48 | Yamaha |
| 12 | Linton, Dick | 1:47:50.60 | 83.96 | Aermacchi |
| 13 | Godward, Graham | 1:50:49.80 | 81.7 | Aermacchi |
| 14 | Witt-Mann, John | 1:51:17.80 | 81.36 | Aermacchi |
| 15 | Boddice, Mick | 1:52:04.20 | 80.8 | Yamaha |
| 16 | Hill, Bob | 1:53:25.00 | 79.84 | Honda |
| 17 | Millar, Jimmy | 1:53:30.60 | 79.77 | Aermacchi |
| 18 | Wise, Trevor | 1:54:05.80 | 79.36 | Morini |
| 19 | Kiddie, John | 1:54:31.40 | 79.06 | Suzuki |
| 20 | Niven, Ronnie | 1:57:43.40 | 76.91 | Aermacchi |
| 21 | Oldfield, John | 1:57:47.20 | 76.87 | Yamaha |
| 22 | Lawley, John | 2:07:45.80 | 70.87 | Yamaha |
| R | Barrett, Paul | Harley | ||
| R | Mortimer, Derek | [unknown] | ||
| R | Orton, Bob | Suzuki | ||
| R | Trotter, Les | Suzuki | ||
| R | Wells, Jim | Suzuki | ||
| R | Broadbent, Fred | Yamaha | ||
| R | Inwood, Ken | Yamaha | ||
| R | Lawley, Stan | Yamaha | ||
| R | Neve, Chris | Yamaha | ||
| R | Tonkin, Steve | Yamaha | ||
| R | Tuxworth, Neil | Yamaha | ||
| R | Weeden, John | Yamaha | ||
| R | Wilhelm, Wolfgang | Yamaha | ||
| R | Smith, David | Aermacchi | ||
| R | Hammond, John | Aermacchi | ||
| R | Murray, Steve | Yamaha | ||
| R | Jones, Gordon | Yamaha | ||
| R | Gasse, Harald | Yamaha |