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| Olympic Games, 30 Jul - 7 Aug, 1948, London | Representing |
| 30 July | Men | 800 Metres | HEAT 1 | 2 | John Parlett | (Dorking St Paul's AC) | 1:55.0 | Q | | Great Britain & Northern Ireland |
| 31 July | Men | 800 Metres | S-FINAL 1 | 3 | John Parlett | (Dorking St Paul's AC) | 1:50.9 | Q | | Great Britain & Northern Ireland |
| 31 July | Men | 5000 Metres | HEAT 1 | 8 | Jack Braughton | (Blackheath Harriers) | | | | Great Britain & Northern Ireland |
| 31 July | Men | 5000 Metres | HEAT 2 | 7 | Bill Lucas | (Belgrave Harriers) | | | | Great Britain & Northern Ireland |
| 31 July | Men | Hammer Throw | QUAL | 16 | Ewan Douglas | (Field Events Club) | 47.77m | | | Great Britain & Northern Ireland |
| 31 July | Men | 50 Kilometres Walk | FINAL | 5 | Bert Martineau | (Surrey Walking Club) | 4:53:58 | | | Great Britain & Northern Ireland |
| 31 July | Women | Discus (1kg) | FINAL | 14 | Bevis Reid | (Mitcham AC) | 35.84m | | | Great Britain & Northern Ireland |
| 31 July | Women | Discus (1kg) | FINAL | 19 | Margaret Birtwistle | (Epsom & Ewell Harriers) | 33.02m | | | Great Britain & Northern Ireland |
| 31 July | Women | Discus (1kg) | FINAL | 20 | Elspeth Whyte | (Epsom & Ewell Harriers) | 32.46m | | | Great Britain & Northern Ireland |
| 31 July | Women | Javelin 600g (pre-1999 model) | FINAL | 14 | Katherine Long | (Epsom & Ewell Harriers) | 30.29m | | | Great Britain & Northern Ireland |
| 2 August | Men | 800 Metres | FINAL | 9 | John Parlett | (Dorking St Paul's AC) | 1:54.0 | | | Great Britain & Northern Ireland |
| 2 August | Men | Discus Throw | QUAL | 21 | Jack Brewer | (Old Rutlishians) | 40.84m | | | Great Britain & Northern Ireland |
| 3 August | Men | 3000 Metres Steeplechase (91.4cm) | HEAT 3 | 7 | Rene Howell | (Polytechnic Harriers) | | | | Great Britain & Northern Ireland |
| 3 August | Men | Shot Putt | QUAL | 18 | Harold Moody | (South London Harriers) | 13.40m | | | Great Britain & Northern Ireland |
| 3 August | Men | 10,000 Metres Track Walk | HEAT 1 | 2 | Charles Morris | (Surrey AC) | 45:10.4 | | | Great Britain & Northern Ireland |
| 3 August | Men | 10,000 Metres Track Walk | HEAT 2 | 1 | Harry Churcher | (Belgrave Harriers) | 45:03.0 | | | Great Britain & Northern Ireland |
| 4 August | Men | 400 Metres | HEAT 7 | 1 | Les Lewis | (Walton AC) | 48.9 | Q | | Great Britain & Northern Ireland |
| 4 August | Men | 400 Metres | HEAT 11 | 2 | Derek Pugh | (South London Harriers) | 49.3 | Q | | Great Britain & Northern Ireland |
| 4 August | Men | 400 Metres | Q-FINAL 1 | 4 | Les Lewis | (Walton AC) | 49.2 | | | Great Britain & Northern Ireland |
| 4 August | Men | 400 Metres | Q-FINAL 4 | 5 | Derek Pugh | (South London Harriers) | 48.8 | | | Great Britain & Northern Ireland |
| 4 August | Men | 1500 Metres | S-FINAL 3 | 2 | Bill Nankeville | (Old Woking AC) | 3:55.8 | Q | | Great Britain & Northern Ireland |
| 4 August | Women | Shot Putt (4kg) | QUAL | 17 | Elspeth Whyte | (Epsom & Ewell Harriers) | 10.77m | | | Great Britain & Northern Ireland |
| 4 August | Women | Shot Putt (4kg) | QUAL | 3 | Bevis Reid | (Mitcham AC) | 12.57m | Q | | Great Britain & Northern Ireland |
| 4 August | Women | Shot Putt (4kg) | QUAL | 19 | Margaret Birtwistle | (Epsom & Ewell Harriers) | 9.74m | | | Great Britain & Northern Ireland |
| 4 August | Women | Shot Putt (4kg) | FINAL | 8 | Bevis Reid | (Mitcham AC) | 12.17m | | | Great Britain & Northern Ireland |
| 6 August | Men | 1500 Metres | FINAL | 6 | Bill Nankeville | (Walton AC) | 3:52.6 | | | Great Britain & Northern Ireland |
| 6 August | Men | 4 X 400 Metres Relay | HEAT 1 | 3 | Les Lewis (Leg 1) | (Walton AC) | 3:14.2 | | | Great Britain & Northern Ireland |
| 6 August | Men | 4 X 400 Metres Relay | HEAT 1 | 3 | Derek Pugh (Leg 3) | (South London Harriers) | 3:14.2 | | | Great Britain & Northern Ireland |
| 7 August | Men | Marathon | FINAL | 2 | Tom Richards | (South London Harriers) | 2:35:07.6 | | | Great Britain & Northern Ireland |
| 7 August | Men | 10,000 Metres Track Walk | FINAL | 5 | Harry Churcher | (Belgrave Harriers) | 46:28.0 | | | Great Britain & Northern Ireland |
| 7 August | Men | 10,000 Metres Track Walk | FINAL | 4 | Charles Morris | (Surrey AC) | 46:04.0 | | | Great Britain & Northern Ireland |
| 7 August | Women | High Jump | FINAL | 2 | Dorothy Tyler | (Mitcham AC) | 1.68m | | Olympic Record | Great Britain & Northern Ireland |
