| Pos | Name | Year | Mtg | Race | Cl | Machine | Town | Laps | Time | Speed | ||
| 1 | Terry | Grotefeld | 1968 | S100 | 53 | 250cc Race | Yamaha | London | ||||
| 2 | Stan | Woods | 1968 | S100 | 53 | 250cc Race | Yamaha | Helsby | ||||
| 3 | Derek | Chatterton | 1968 | S100 | 53 | 250cc Race | Yamaha | Boston | ||||
| 4 | Jim | Curry | 1968 | S100 | 53 | 250cc Race | Yamaha | Worcs | ||||
| 5 | Brian | Steenson | 1968 | S100 | 53 | 250cc Race | Yamaha | Belfast | ||||
| 6 | Mick | Chatterton | 1968 | S100 | 53 | 250cc Race | Yamaha | Barnsley | ||||
| 7 | F | Richards | 1968 | S100 | 53 | 250cc Race | Yamaha | Liverpool | ||||
| 8 | Stan | Wright | 1968 | S100 | 53 | 250cc Race | Yamaha | Barnsley | ||||
| 9 | A F | Pinnock | 1968 | S100 | 53 | 250cc Race | Bultaco | London | ||||
| 10 | Chas S | Mortimer | 1968 | S100 | 53 | 250cc Race | Aermacchi | Surrey | ||||
| 11 | Peter | Padgett | 1968 | S100 | 53 | 250cc Race | Padgett Yamaha | Batley | ||||
| 12 | Maurice | Price | 1968 | S100 | 53 | 250cc Race | Greeves | Doncaster | ||||
| 13 | H M | Cumming | 1968 | S100 | 53 | 250cc Race | Ducati | Millom | ||||
| 14 | Roger | Bowler | 1968 | S100 | 53 | 250cc Race | Bultaco | Crawley | ||||
| 15 | R J | Healey | 1968 | S100 | 53 | 250cc Race | Greeves | Enfield | ||||
| 16 | Tom | Herron | 1968 | S100 | 53 | 250cc Race | Greeves | Lisburn | ||||
| 17 | Danny | Shimmin | 1968 | S100 | 53 | 250cc Race | Aermacchi | Douglas | ||||
| 18 | A R | Vaughan-Jones | 1968 | S100 | 53 | 250cc Race | Ducati | Newport | ||||
| 19 | Jim | Hill | 1968 | S100 | 53 | 250cc Race | Greeves | Willenhall | ||||
| 20 | Graham | Fish | 1968 | S100 | 53 | 250cc Race | Greeves | Stockport | ||||
| 21 | A W | Wright | 1968 | S100 | 53 | 250cc Race | Yamaha | Huyton | ||||
| 22 | Dougie | Rose | 1968 | S100 | 53 | 250cc Race | Honda | N'hants | ||||
| 23 | D J | Oakes | 1968 | S100 | 53 | 250cc Race | DMW Villiers | Essex | ||||
| 24 | L M | Dolman | 1968 | S100 | 53 | 250cc Race | Greeves | Wolverhampton | ||||
| 25 | Malcolm | Cox | 1968 | S100 | 53 | 250cc Race | Kawasaki | Staffs | ||||
| 26 | R | Norrington | 1968 | S100 | 53 | 250cc Race | DMW | London | ||||
| 27 | A H | Fletcher | 1968 | S100 | 53 | 250cc Race | Suzuki | Leicester | ||||
| ? | Peter | Berwick | 1968 | S100 | 53 | 250cc Race | PB Villiers | Appleby | ||||
| ? | M J | Powell | 1968 | S100 | 53 | 250cc Race | Honda | Cannock | ||||
| ? | Steve | Murray | 1968 | S100 | 53 | 250cc Race | Bultaco | Chester | ||||
| ? | Bill | Smith | 1968 | S100 | 53 | 250cc Race | Kawasaki | Chester | ||||
| ? | Neil | Kelly | 1968 | S100 | 53 | 250cc Race | Suzuki | Douglas | ||||
| ? | Ray | McCullough | 1968 | S100 | 53 | 250cc Race | Bultaco | Dromara | ||||
| ? | A R | Wade | 1968 | S100 | 53 | 250cc Race | R Enfield | Essex | ||||
| ? | M J | Wickham | 1968 | S100 | 53 | 250cc Race | Greeves | Essex | ||||
| ? | G D C | Costain | 1968 | S100 | 53 | 250cc Race | Aermacchi | Isle of Man | ||||
| ? | Peter | Eberhardt | 1968 | S100 | 53 | 250cc Race | Bultaco | Isle of Man | ||||
| ? | Harry | Wade | 1968 | S100 | 53 | 250cc Race | DMW | Laxey | ||||
| ? | Steve | Jolly | 1968 | S100 | 53 | 250cc Race | Yamaha | Leek | ||||
| ? | D | Eaton | 1968 | S100 | 53 | 250cc Race | Bultaco | Liverpool | ||||
| ? | I | Leith | 1968 | S100 | 53 | 250cc Race | Bultaco | Liverpool | ||||
| ? | J | Mawdsley | 1968 | S100 | 53 | 250cc Race | Ducati | Liverpool | ||||
| ? | R | Wilding | 1968 | S100 | 53 | 250cc Race | Bultaco | Liverpool | ||||
| ? | J | Lancaster | 1968 | S100 | 53 | 250cc Race | Yamaha | London | ||||
| ? | Bob | Simmons | 1968 | S100 | 53 | 250cc Race | Greeves | London | ||||
| ? | John | Stanley | 1968 | S100 | 53 | 250cc Race | Yamaha | Redditch | ||||
| ? | M T | Bass | 1968 | S100 | 53 | 250cc Race | Bultaco | Rothwell | ||||
| ? | K | Roscoe | 1968 | S100 | 53 | 250cc Race | Velocette | Stockport | ||||
| ? | P J | Casey | 1968 | S100 | 53 | 250cc Race | Greeves | Wiltshire |