| Pos | Name | Year | Mtg | Race | Cl | Machine | Town | Laps | Time | Speed | ||
| 1 | Brian J | Davis | 1966 | S100 | 43 | 350cc Race | AJS | Farncombe | ||||
| 2 | Len | Ireland | 1966 | S100 | 43 | 350cc Race | Norton | Antrim | ||||
| 3 | Alan T | Lawton | 1966 | S100 | 43 | 350cc Race | Norton | Runcorn | ||||
| 4 | M J | Jackson | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 5 | Vin | Duckett | 1966 | S100 | 43 | 350cc Race | AJS | Cleveleys | ||||
| 6 | Brian | Ball | 1966 | S100 | 43 | 350cc Race | AJS | St Helens | ||||
| 7 | A F | Baker | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| 8 | John | Duffy | 1966 | S100 | 43 | 350cc Race | Norton | Formby | ||||
| 9 | J | Dallow | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 10 | Jim | Graham | 1966 | S100 | 43 | 350cc Race | Aermacchi | Landford | ||||
| 11 | M | McGarrity | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| 12 | J M | Dodsworth | 1966 | S100 | 43 | 350cc Race | AJS | Rotherham | ||||
| 13 | D J | Mills | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 14 | A F | Morgan | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 15 | G A | Kennedy | 1966 | S100 | 43 | 350cc Race | AJS | Slough | ||||
| 16 | Trevor | Beharrell | 1966 | S100 | 43 | 350cc Race | AJS | Hull | ||||
| 17 | Gerald | Babb | 1966 | S100 | 43 | 350cc Race | BSA | Grantham | ||||
| 18 | J L | Telford | 1966 | S100 | 43 | 350cc Race | BSA/Norton | Birkenhead | ||||
| 19 | M T | Bass | 1966 | S100 | 43 | 350cc Race | BSA | Rothwell | ||||
| 20 | J I | Munro | 1966 | S100 | 43 | 350cc Race | AJS | SACU | ||||
| 21 | D | Gregory | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| 22 | Malcolm | Sharrocks | 1966 | S100 | 43 | 350cc Race | Norton | Douglas | ||||
| 23 | S | Ashford | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| 24 | Brian | Davies | 1966 | S100 | 43 | 350cc Race | Norton | Preston | ||||
| 25 | G | Cullen | 1966 | S100 | 43 | 350cc Race | Norton | Warrington | ||||
| 26 | Roly | Capper | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 27 | W | Scott | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| 28 | R | Rowland | 1966 | S100 | 43 | 350cc Race | BSA | |||||
| ? | George | Fogarty | 1966 | S100 | 43 | 350cc Race | AJS | Blackburn | ||||
| ? | George | Short | 1966 | S100 | 43 | 350cc Race | AJS | Bootle | ||||
| ? | Barry | Scully | 1966 | S100 | 43 | 350cc Race | Scott | Derby | ||||
| ? | Dave | Saville | 1966 | S100 | 43 | 350cc Race | BSA | Doncaster | ||||
| ? | E O | Ditchfield | 1966 | S100 | 43 | 350cc Race | BSA | Frodsham | ||||
| ? | Bob | Kewley | 1966 | S100 | 43 | 350cc Race | BSA | Isle of Man | ||||
| ? | D G | Walker | 1966 | S100 | 43 | 350cc Race | BSA | N'hants | ||||
| ? | R A | Graham | 1966 | S100 | 43 | 350cc Race | AJS | SACU | ||||
| ? | J | McTaggart | 1966 | S100 | 43 | 350cc Race | AJS | SACU | ||||
| ? | R | Byrne | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| ? | M | Elstone | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| ? | T | Goard | 1966 | S100 | 43 | 350cc Race | Aermacchi | |||||
| ? | Rodney | Gould | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| ? | J G | Hankin | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| ? | R | Peck | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| ? | E | Spear | 1966 | S100 | 43 | 350cc Race | Norton | |||||
| ? | A | Weeks | 1966 | S100 | 43 | 350cc Race | AJS | |||||
| R | Nigel | Warren | 1966 | S100 | 43 | 350cc Race | AJS | Castletown | ||||
| R | Bill | Smith | 1966 | S100 | 43 | 350cc Race | Honda | Chester | ||||
| R | Dave | Williams | 1966 | S100 | 43 | 350cc Race | Norton | L.Buzzard | ||||
| R | Selwyn | Griffiths | 1966 | S100 | 43 | 350cc Race | AJS | Pontypool | ||||