| Pos | Name | Year | Mtg | Race | Cl | Machine | Town | Laps | Time | Speed | ||
| 1 | Terry | Shepherd | 1958 | S100 | 12 | 500cc Race | Norton | Liverpool | 24 | 1:14.22.8 | 82.28 | |
| 2 | Bob | McIntyre | 1958 | S100 | 12 | 500cc Race | Norton | Glasgow | 24 | 1:14.23.2 | 82.27 | |
| 3 | Fron | Purslow | 1958 | S100 | 12 | 500cc Race | Norton | Shrewsbury | 23 | |||
| 4 | George | Costain | 1958 | S100 | 12 | 500cc Race | Norton | Colby | 23 | |||
| 5 | Jack | Wood | 1958 | S100 | 12 | 500cc Race | Matchless | Douglas | 23 | |||
| 6 | W Dennis | Craig | 1958 | S100 | 12 | 500cc Race | Norton | Ireland | 23 | |||
| ? | J E | Griffiths | 1958 | S100 | 12 | 500cc Race | Norton | 1465 | ||||
| ? | Bill | Smith | 1958 | S100 | 12 | 500cc Race | Norton | Chester | ||||
| ? | Mike S | Kelly | 1958 | S100 | 12 | 500cc Race | Norton | Crosby | ||||
| ? | Ted | Corlett | 1958 | S100 | 12 | 500cc Race | BSA | Douglas | ||||
| ? | Bob | Dowty | 1958 | S100 | 12 | 500cc Race | Norton | Douglas | ||||
| ? | R | Johnson | 1958 | S100 | 12 | 500cc Race | BSA | Douglas | ||||
| ? | Brian | Carr | 1958 | S100 | 12 | 500cc Race | Norton | Formby | ||||
| ? | Syd | Mizen | 1958 | S100 | 12 | 500cc Race | AJS | Isle of Man | ||||
| ? | John | Patrick | 1958 | S100 | 12 | 500cc Race | BSA | N'hants | ||||
| ? | Ray | Kelly | 1958 | S100 | 12 | 500cc Race | Matchless | Port Erin | ||||
| ? | K | Barfoot | 1958 | S100 | 12 | 500cc Race | r | Norton | ||||
| ? | A B | Gill | 1958 | S100 | 12 | 500cc Race | r | Velocette | ||||
| ? | H | Hall | 1958 | S100 | 12 | 500cc Race | r | Norton | ||||
| ? | R K | Ward | 1958 | S100 | 12 | 500cc Race | r | Norton | ||||
| ? | R J | Brinnard | 1958 | S100 | 12 | 500cc Race | BSA | Shrewsbury | ||||
| ? | I | Ablett | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | M J | Ball | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | A | Boothroyd | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | John B | Dunne | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | Mac | Hobson | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | John | Holder | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | J H | Hull | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | J | Newall | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | J T | Nutter | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | J L | Payne | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | Peter E | Richardson | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | J C | Smith | 1958 | S100 | 12 | 500cc Race | AJS | |||||
| ? | H | Thompson | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | J N | Tollitt | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | M E | Ward | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | S A | Ward | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | Ernie | Washer | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | A | Watson | 1958 | S100 | 12 | 500cc Race | BSA | |||||
| ? | C O | Watson | 1958 | S100 | 12 | 500cc Race | Norton | |||||
| ? | C J | Williams | 1958 | S100 | 12 | 500cc Race | JABS | |||||
| R | Colin | Broughton | 1958 | S100 | 12 | 500cc Race | Norton | Ramsey |