19 September 1921 at Longdon
| 500cc | RH Sidecars | 350cc |
| 1- C Wirtzfeld | 1= P Lloyd & T Madley | 1- J Cox |
| 2- H Gent | 1= S Stell & C Townsend | 2- T Perry |
| 3- J Knoll | 3- T Heath & S Heath | 3- W Broadhurst |
| LH Sidecars | 250cc | Old & New |
| 1- D Hill & H Hill | 1- G Thomas | 1- M Courtney & L Torres |
| 2- J Holland & T Holland | 2- R Knight | 2- M Seeward & S Rogers |
| 3- C Taylor & Another | 3- A Hawker | 3- C Tyrrell & W Jeffrey |
| Pre 75s | GT 140 | Uprights |
| 1- J Cox | 1- M Scopes | 1- T Atkin |
| 2- J Priest | 2- M Beck | 2- M Taylor |
| 3- L Tuck | 3- J Cross | 3- L Tuck |
| Intermediates | Juniors | Autos |
| 1- K Cossey | 1- O Bovington | 1- R Austin |
| 2- A Riches | 2- A Rolph | 2- B Blyth |
| 3- O Rogers | 3- O Rogers | 3- A Whitlam |
| Quads | ||
| 1- J Elliott | ||
| 2- R Heath | ||
| 3- S Strudwick |