| Pos | Name | Year | Mtg | Race | Cl | Machine | Town | Laps | Time | Speed | ||
| 1 | Bob | McIntyre | 1958 | S100 | 10 | 350cc Race | Norton | Glasgow | 12 | 39'04.0 | 78.33 | |
| 2 | Terry | Shepherd | 1958 | S100 | 10 | 350cc Race | Norton | Liverpool | 12 | 39'04.2 | 78.26 | |
| 3 | George | Costain | 1958 | S100 | 10 | 350cc Race | Norton | Colby | 12 | 39'41.6 | 77.09 | |
| 4 | Bill | Smith | 1958 | S100 | 10 | 350cc Race | AJS | Chester | 12 | 39'52.4 | 73.60 | |
| 5 | J L | Payne | 1958 | S100 | 10 | 350cc Race | Norton | 12 | 39'52.4 | 76.73 | ||
| 6 | Jack | Wood | 1958 | S100 | 10 | 350cc Race | AJS | Douglas | 12 | 39'53.6 | 76.70 | |
| 7 | Ernie | Washer | 1958 | S100 | 10 | 350cc Race | Norton | |||||
| 8 | Syd | Mizen | 1958 | S100 | 10 | 350cc Race | AJS | Isle of Man | ||||
| 9 | Dennis | Pratt | 1958 | S100 | 10 | 350cc Race | Norton | Sedbergh | ||||
| 10 | Fron | Purslow | 1958 | S100 | 10 | 350cc Race | Norton | Shrewsbury | ||||
| 11 | W Dennis | Craig | 1958 | S100 | 10 | 350cc Race | Norton | Ireland | ||||
| 12 | Bill | Tomlinson | 1958 | S100 | 10 | 350cc Race | Norton | Bolton | ||||
| ? | Ted | Corlett | 1958 | S100 | 10 | 350cc Race | BSA | Douglas | ||||
| ? | Bob | Dowty | 1958 | S100 | 10 | 350cc Race | Norton | Douglas | ||||
| ? | R | Johnson | 1958 | S100 | 10 | 350cc Race | AJS | Douglas | ||||
| ? | Brian | Carr | 1958 | S100 | 10 | 350cc Race | Norton | Formby | ||||
| ? | Doug G | Crennell | 1958 | S100 | 10 | 350cc Race | AJS | Isle of Man | ||||
| ? | John | Patrick | 1958 | S100 | 10 | 350cc Race | Nor/Velo | N'hants | ||||
| ? | R | Culshaw | 1958 | S100 | 10 | 350cc Race | r | BSA | ||||
| ? | George | Leigh | 1958 | S100 | 10 | 350cc Race | Norton | Southport | ||||
| ? | I | Ablett | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | D | Ball | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | A | Boothroyd | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | A | Engle | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | J | Engle | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | A B | Gill | 1958 | S100 | 10 | 350cc Race | Velocette | |||||
| ? | H | Hall | 1958 | S100 | 10 | 350cc Race | Norton | |||||
| ? | R W | Harvey | 1958 | S100 | 10 | 350cc Race | DOT | |||||
| ? | A F | Lang | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | J F | Moynihan | 1958 | S100 | 10 | 350cc Race | JMS | |||||
| ? | J T | Nutter | 1958 | S100 | 10 | 350cc Race | Norton | |||||
| ? | G K | Penson | 1958 | S100 | 10 | 350cc Race | Velocette | |||||
| ? | K | Terretta | 1958 | S100 | 10 | 350cc Race | AJS | |||||
| ? | J N | Tollitt | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | S A | Ward | 1958 | S100 | 10 | 350cc Race | Norton | |||||
| ? | A | Watson | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| ? | C O | Watson | 1958 | S100 | 10 | 350cc Race | AJS | |||||
| ? | P L | Wilby | 1958 | S100 | 10 | 350cc Race | BSA | |||||
| NS | Mike | Hailwood | 1958 | S100 | 10 | 350cc Race | Norton | Oxford | ||||
| R | Mike S | Kelly | 1958 | S100 | 10 | 350cc Race | BSA | Crosby | ||||
| R | K | Barfoot | 1958 | S100 | 10 | 350cc Race | Norton | |||||
| R | Maurice | Bowdery | 1958 | S100 | 10 | 350cc Race | Norton | |||||