| 7.5.1955 | Silverstone International | 12 | DB3S | Peter Collins | Aston Martin | 7th |
| 7.5.1955 | Silverstone International | 14 | DB3S | Peter Walker | Aston Martin | 8th |
| 7.5.1955 | Silverstone International | 16 | DB3S | Ken Wharton | Ken Wharton | DNF |
| 7.5.1955 | Silverstone International | 20 | DB3S | Tom Sulman | Kangaroo Stable | 18th |
| 7.5.1955 | Phoenix Park [Open Handicap Final] | | DB2 | Louis Carvill | | 3rd |
| 8.5.1955 | GP Spa | 22 | DB3S | Paul Frère | Aston Martin | 1st |
| 21.5.1955 | LCCC Oulton Park [Handicap S2.1] | 24 | Le Mans | W. B. Fowler | Bob Fowler | DNA |
| 28.5.1955 | SMRC Snetterton [Sports Unlimited] | 68 | DB3S | Peter Collins | | 2nd |
| 29.5.1955 | 12 h Hyères | 20 | DB3S | Whitehead / Whitehead | Graham Whitehead | DNF |
| 29.5.1955 | 12 h Hyères | 22 | DB3 | Mann / Morris-Goodall | Nigel Mann | 6th |
| 29.5.1955 | 12 h Hyères | 24 | DB3S | Gaze / McKay | Kangaroo Stable | 2nd |
| 29.5.1955 | 12 h Hyères | 26 | DB3S | Sulman / Brabham | Kangaroo Stable | 4th |
| 29.5.1955 | 12 h Hyères | 28 | DB3S | Cosh / Cobden | Kangaroo Stable | 3rd |
| 29.5.1955 | Santa Barbara [S+1.5] | | | John Handley | | ?th |
| 30.5.1955 | National Davidstow [Production] | 33 | DB2 | H. Rowcliffe | | 6th |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 39 | DB2/4 | Harry Woodnorth | Harry Woodnorth | DNA |
| 30.5.1955 | Whitsun Goodwood [Sports] | 63 | DB3S | Tony Everard | Vermin Stable | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 63 | DB3S | Tony Everard | Vermin Stable | 7th |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 64 | DB3 | Jocelyn Stevens | Vermin Stable | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 65 | DB3 | Denis Barthel | D. R. Barthel | 8th |
| 30.5.1955 | Whitsun Goodwood [Sports] | 65 | DB3 | Denis Barthel | D. R. Barthel | raced |
| 30.5.1955 | BRSCC Crystal Palace [Sports Unlimited] | 70 | DB3S | Roy Salvadori | Gilbey Engineering | 2nd |
| 30.5.1955 | Whitsun Goodwood [Ladies] | 75 | DB2 | Jean Bloxam | | 3rd |
| 30.5.1955 | Whitsun Goodwood [Ladies] | | DB2/4 | Patsy Burt | | raced |
| 5.6.1955 | Santa Rosa [Production 3.0] | 138 | | John Handley | | 4th |
| 12.6.1955 | BRSCC Brands Hatch [S1.5] | 21 | Ulster | S. F. Pile | | 6th |
| 12.6.1955 | 24 h Le Mans | 23 | DB3S | Collins / Frère | Aston Martin Ltd. | 2nd |
| 12.6.1955 | 24 h Le Mans | 24 | DB3S | Salvadori / Walker | Aston Martin Ltd. | DNF |
| 12.6.1955 | 24 h Le Mans | 25 | DB3S | Brooks / Riseley-Pritchard | Aston Martin Ltd. | DNF |
| 12.6.1955 | 24 h Le Mans | T | DB3S | Collins / Frère / Salvadori / Walker | Aston Martin Ltd. | T-car |
| 18.6.1955 | BARC Goodwood [S3.5] | 44 | DB3 | M. Derrick | | 12th |
| 18.6.1955 | GP Edenvale | 82 | DB2 | | Joseph A. Masino | raced |
| 18.6.1955 | Edenvale [Sports] | 82 | DB2 | Joseph A. Masino | Joseph A. Masino | DNA |
| 18.6.1955 | Edenvale [S3.0] | 82 | DB2 | Joseph A. Masino | Joseph A. Masino | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 82 | DB2 | Joseph A. Masino | Joseph A. Masino | DNA |
| 18.6.1955 | BARC Goodwood [Ladies Handicap] | 84 | DB2/4 | Patsy Burt | | 4th |
| 18.6.1955 | BARC Goodwood [Ladies Handicap] | 86 | DB2 | Jean Bloxam | | 3rd |
| 18.6.1955 | BARC Goodwood [Handicap] | 115 | DB3 | Denis Barthel | | 2nd |
| 25.6.1955 | ECMC Snetterton [Handicap] | 4 | DB3S | Roy Salvadori | Gilbey Eng. | 1st |
| 25.6.1955 | ECMC Snetterton [S3.0]+[S+3.0] | 21 | DB3 | Angela Brown | | ?th |
| 25.6.1955 | ECMC Snetterton [Handicap] | | DB3S | Jocelyn Stevens | | 5th |
| 25.6.1955 | ECMC Snetterton [Handicap] | | DB2/4 | Peter Woozley | | 3rd |
| 25.6.1955 | ECMC Snetterton [S3.0]+[S+3.0] | | DB2/4 | Peter Woozley | | ?th |
| 25.6.1955 | ECMC Snetterton [Handicap] | | DB2/4 | Peter Woozley | | 10th |
| 26.6.1955 | GP Portugal | 4 | DB3S | Tony Gaze | Kangaroo Stable | 8th |
| 26.6.1955 | GP Portugal | 5 | DB3S | Les Cosh | Kangaroo Stable | 9th |
| 4.7.1955 | Preliminary Beverly [CP+DP+EP] | 56 | DB2/4 | John Clapp | | 10th |
| 16.7.1955 | British GP | 1 | DB3S | Peter Collins | Aston Martin | 2nd |
| 16.7.1955 | British GP | 3 | DB3S | Roy Salvadori | Aston Martin | 1st |
| 16.7.1955 | British GP | 5 | DB3S | Reg Parnell | Aston Martin | 3rd |
| 16.7.1955 | British GP | 7 | DB3S | Peter Walker | Aston Martin | 4th |
| 16.7.1955 | British GP | 27 | DB3S | Tom Sulman | Kangaroo | DNF |
| 23.7.1955 | AMOC Silverstone [Aston Martin Handicap] | 18 | DB1 (2-litre Sports) | John Bekaert | | 1st |
| 23.7.1955 | AMOC Silverstone [Aston Martin Handicap] | 62 | Le Mans | W. B. Fowler | | 4th |
| 23.7.1955 | AMOC Silverstone [Relay Handicap] | 66 | DB3S | Roy Salvadori | | raced |
| 23.7.1955 | AMOC Silverstone [S+1.5] | 66 | DB3S | Roy Salvadori | | 2nd |
| 23.7.1955 | AMOC Silverstone [Aston Martin Handicap] | 92 | Ulster | R. McNab-Meredith | | 2nd |
| 23.7.1955 | AMOC Silverstone [S+1.5] | 110 | DB3S | Reg Parnell | | 1st |
| 23.7.1955 | AMOC Silverstone [Relay Handicap] | 110 | DB3S | Reg Parnell | | raced |
| 23.7.1955 | AMOC Silverstone [Aston Martin Handicap] | 112 | Ulster | S. F. Pile | | 3rd |
| 23.7.1955 | AMOC Silverstone [Handicap] | 145 | DB3S | Jocelyn Stevens | | 3rd |
| 23.7.1955 | AMOC Silverstone [Relay Handicap] | | DB3S | Peter Collins | | raced |
| 24.7.1955 | Circuito de Lisboa | 1 | DB3S | Tony Gaze | Kangaroo Stable | DNF |
| 24.7.1955 | Circuito de Lisboa | 2 | DB3S | Les Cosh | Kangaroo Stable | 11th |
| 24.7.1955 | Circuito de Lisboa | 3 | DB3S | Tom Sulman | Kangaroo Stable | 12th |
| 24.7.1955 | Circuito de Lisboa | 4 | DB3S | Graham Whitehead | A .G. Whitehead | 8th |
| 30.7.1955 | Crystal Palace International [Sports] | 81 | DB3S | Roy Salvadori | D. Brown | 1st |
| 1.8.1955 | Brands Hatch International [S+1.9] | 40 | DB3S | Graham Whitehead | G. Whiethead | 5th |
| 6.8.1955 | Charterhall International [Sports] | 73 | DB3S | Reg Parnell | David Brown | 6th |
| 6.8.1955 | Charterhall International [Invitation Race] | 73 | DB3S | Reg Parnell | David Brown | 1st |
| 6.8.1955 | Charterhall International [Sports] | 84 | DB3 | Angela Brown | Miss Angela Brown | DNA |
| 6.8.1955 | Charterhall International [Sports] | 87 | DB3S | Tony Gaze | Tony Gaze | DNA |
| 6.8.1955 | Charterhall International [Sports] | 88 | DB3S | L. Cook | Tony Gaze | DNA |
| 7.8.1955 | GP Sverige | 3 | DB3S | Roy Salvadori | David Brown | 7th |
| 7.8.1955 | GP Sverige | 4 | DB3S | Peter Collins | David Brown | DNS |
| 13.8.1955 | NSCC Silverstone [Sports Unlimited] | | DB3 | Angela Brown | | 3rd |
| 14.8.1955 | Snetterton International [S+1.5] | 82 | DB3S | Tony Gaze | Kangeroo Stable | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 83 | DB3S | Les Cosh | Kangeroo Stable | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 84 | DB3S | Tom Sulman | Kangeroo Stable | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 100 | DB3 | Tony Hind | S. Boshier | raced |
| 20.8.1955 | 9 h Goodwood | 1 | DB3S | Parnell / Salvadori | David Brown | DNF |
| 20.8.1955 | 9 h Goodwood | 2 | DB3S | Collins / Brooks | David Brown | 3rd |
| 20.8.1955 | 9 h Goodwood | 3 | DB3S | Walker / Poore | David Brown | 1st |
| 20.8.1955 | 9 h Goodwood | 4 | DB3S | McKay / Gaze | Kangaroo Stable | DNF |
| 20.8.1955 | 9 h Goodwood | 5 | DB3 | Cuff-Miller / Hind | S. Boshier | 15th |
| 27.8.1955 | MGCC Silverstone [Handicap non MG] | 1 | DB3S | Tony Everard | | 3rd |
| 27.8.1955 | Oulton Park International | 52 | DB3S | Reg Parnell | David Brown Ltd. | 1st |
| 27.8.1955 | Oulton Park International | 54 | DB3S | Peter Collins | David Brown Ltd. | 3rd |
| 27.8.1955 | Oulton Park International | 56 | DB3S | Roy Salvadori | Gilbey Eng. Co. Ltd. | 8th |
| 27.8.1955 | Oulton Park International | 64 | DB3S | Les Cosh | Kangeroo Stable | 13th |
| 27.8.1955 | Oulton Park International | 66 | DB3S | Graham Whitehead | A. G. Whitehead | DNF |
| 27.8.1955 | Oulton Park International | 72 | DB3S | Tom Sulman | Kangeroo Stable | DNA |
| 3.9.1955 | Aintree International | 68 | DB3S | Roy Salvadori | Roy Salvadori | 3rd |
| 3.9.1955 | Aintree International | 69 | DB3S | Graham Whitehead | G. Whitehead | DNA |
| 3.9.1955 | Sunbac Silverstone [Handicap Heat 3] | | DB2 | Jean Bloxam | | 3rd |
| 4.9.1955 | SCCA National Thompson [DP] | 26 | DB2/4 | John Clapp | | 5th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 11 | DB3 Coupé | Angela Brown | Miss Angela Brown | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 11 | DB3 Coupé | Angela Brown | Miss Angela Brown | 4th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 14 | DB2/4 | Arthur Bryant | Arthur Bryant | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 30 | DB2/4 | John Clapp | John F. Clapp, Jr. | 14th |