| 13.3.1955 | 12 h Sebring | 78 | Mark IX | Scott / Samuelson | Bobbie Burns & Norman J. Scott, Jr, | DNF |
| 13.3.1955 | 12 h Sebring | 79 | Mark IX | Miller / Rabe | Frank Miller | DNF |
| 13.3.1955 | 12 h Sebring | | Mark IX | Smith / Sheppard | Joe Sheppard | DNQ |
| 20.3.1955 | Novice Stockton [Modified 1.1] | | Mark VI | Alan LeMay | Alan LeMay | 1st |
| 20.3.1955 | SCCA Regional Stockton [Modified 1.5] | | Mark VI | Harry Hanford | Alan LeMay | 2nd |
| 26.3.1955 | BARC Goodwood [S1.25] | 1 | Mark VI | Fred Marriott | | 3rd |
| 26.3.1955 | BARC Goodwood [Novice Handicap] | 1 | Mark VI | Fred Marriott | | 2nd |
| 26.3.1955 | BARC Goodwood [S1.5] | 20 | Mark VIII | John Coombs | | 1st |
| 26.3.1955 | SMRC Snetterton [S1.5] | 24 | Mark VI Empire | David Piper | David Piper | 1st |
| 26.3.1955 | SMRC Snetterton [S1.5] | 25 | | R. R. Rayner | R. Rayner | DNF |
| 26.3.1955 | Preliminary Palm Springs [Modified 1.5] | 118 | Mark VI | Harry Hanford | Alan Le May | DNA |
| 26.3.1955 | BARC Goodwood [S1.25] | 135 | Mark VI | Jack Richards | | 6th |
| 27.3.1955 | Main Palm Springs [S1.5] | 118 | Mark VI | Harry Hanford | Alan Le May | DNA |
| 27.3.1955 | Consolation Palm Springs [S1.5] | 118 | Mark VI | Harry Hanford | Alan Le May | 1st |
| 2.4.1955 | British Empire Trophy | 6 | Mark VI | Peter Gammon | Team Lotus | DNA |
| 2.4.1955 | British Empire Trophy | 7 | Mark IX | Colin Chapman | Team Lotus | DNQ |
| 2.4.1955 | British Empire Trophy | 8 | Mark VIII | John Coombs | J. Coombs | DNQ |
| 2.4.1955 | British Empire Trophy | 9 | Mark VIII | George Nixon | G. Nixon | DNQ |
| 2.4.1955 | British Empire Trophy | 10 | Mark VIII | Austen Nurse | A. Nurse | DNQ |
| 2.4.1955 | British Empire Trophy | 11 | Mark VIII | Brian Naylor | J. B. Naylor Ltd. | DNF |
| 2.4.1955 | British Empire Trophy | 26 | Mark X | Peter Scott-Russell | P. Scott Russell | DNA |
| 2.4.1955 | British Empire Trophy | 37 | Mark X | Mike Anthony | Team Lotus | DNQ |
| 9.4.1955 | National Castle Combe [Sports] | 45 | Mark VI Empire | David Piper | | ?th |
| 9.4.1955 | National Castle Combe [Sports] | 46 | | Gil Baird | | ?th |
| 9.4.1955 | National Castle Combe [Sports] | 53 | Mark VIII | Austen Nurse | | 3rd |
| 11.4.1955 | BRSCC Brands Hatch [S1.2] | 6 | Mark VI | Jack Richards | | 2nd |
| 11.4.1955 | BRSCC Brands Hatch [S1.2] | 7 | | R. Blanshard | | 6th |
| 11.4.1955 | BRSCC Brands Hatch [S1.2] | 10 | Mark VI | Bob Hicks | | 3rd |
| 11.4.1955 | BRSCC Brands Hatch [Sports] | 22 | Mark VI Empire | David Piper | | 3rd |
| 11.4.1955 | BRSCC Brands Hatch [S1.5] | 25 | Mark VIII | Austen Nurse | | 1st |
| 11.4.1955 | BRSCC Brands Hatch [Sports] | 25 | Mark VIII | Austen Nurse | | 1st |
| 11.4.1955 | BRSCC Brands Hatch [S1.5] | 26 | Mark VIII | Brian Naylor | | 4th |
| 11.4.1955 | BRSCC Brands Hatch [S1.5] | 28 | | Nigel Allen | | 2nd |
| 12.4.1955 | Goodwood Easter [S1.5] | 59 | Mark VI | Tony Ellis | W. H. Ellis | DNA |
| 12.4.1955 | Goodwood Easter [S1.5] | 60 | Mark VIII | Dick Steed | R. D. Steed | DNA |
| 12.4.1955 | Goodwood Easter [S1.5] | 64 | Mark VIII | John Coombs | J. Coombs | 4th |
| 12.4.1955 | Goodwood Easter [S1.5] | 65 | Mark IX | Colin Chapman | Team Lotus | DNF |
| 12.4.1955 | Goodwood Easter [S2.0] | 106 | Mark X | Peter Scott-Russell | P. Scott Russell | DNA |
| 12.4.1955 | Goodwood Easter [S2.0] | 108 | Mark X | Mike Anthony | Team Lotus | 3rd |
| 16.4.1955 | BDC Oulton Park [S1.5] | 30 | Mark VI | Harry Digby | Harry Digby | DNA |
| 16.4.1955 | BDC Oulton Park [Handicap S1.5] | 30 | Mark VI | Harry Digby | Harry Digby | DNA |
| 16.4.1955 | ECMC Snetterton [S1.5] | | Mark VI | Harley Deschamps | | 1st |
| 16.4.1955 | ECMC Snetterton [Handicap] | | Mark VI | Harley Deschamps | | 1st |
| 17.4.1955 | SCCA National Pebble Beach [FM+GM+HM] | 92 | Mark VI | Harry Hanford | Alan Le May | 4th |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 7 | Mark VI | Mike Buckingham | M. Buckingham | DNA |
| 30.4.1955 | NSMC Oulton Park [S1.25/S1.5] | 7 | Mark VI | Mike Buckingham | M. Buckingham | ?th |
| 30.4.1955 | NSMC Oulton Park [S1.25/S1.5] | 19 | Mark VI | W. A. Smith | W. A. Smith | DNA |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 22 | Mark VIII | George Nixon | George Nixon | DNA |
| 30.4.1955 | NSMC Oulton Park [S2.7] | 22 | Mark VIII | George Nixon | George Nixon | DNA |
| 30.4.1955 | NSMC Oulton Park [S1.25/S1.5] | 22 | Mark VIII | George Nixon | George Nixon | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 22 | Mark VIII | George Nixon | George Nixon | DNA |
| 30.4.1955 | NSMC Oulton Park [S2.7] | 24 | Mark VIII | Brian Naylor | Brian Naylor | 2nd |
| 30.4.1955 | NSMC Oulton Park [S1.25/S1.5] | 24 | Mark VIII | Brian Naylor | Brian Naylor | 1st |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 24 | Mark VIII | Brian Naylor | Brian Naylor | ?th |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 24 | Mark VIII | Brian Naylor | Brian Naylor | raced |
| 30.4.1955 | National Ibsley [1172F+750F] | 43 | Mark IX | Mike MacDowel | | 1st |
| 30.4.1955 | National Ibsley [S1.5+S1.2s] | 43 | Mark IX | Mike MacDowel | | 6th |
| 30.4.1955 | National Ibsley [S1.5+S1.2s] | 46 | Mark VI | Jack Richards | | 7th |
| 30.4.1955 | National Ibsley [1172F+750F] | 47 | Mark VIII | D. L. Kelsey | | 4th |
| 30.4.1955 | National Ibsley [1172F+750F] | 50 | Mark VI | Ken Laverton | | 2nd |
| 30.4.1955 | National Ibsley [S1.5+S1.2s] | 93 | Mark VI Empire | David Piper | | 5th |
| 30.4.1955 | National Ibsley [Formula Libre] | 117 | Mark X | Mike Anthony | | DNF |
| 30.4.1955 | National Ibsley [S+1.5] | 117 | Mark X | | | 5th |
| 1.5.1955 | BRSCC Brands Hatch [S1.2] | 4 | Mark VI | Tony Ellis | | 6th |
| 1.5.1955 | BRSCC Brands Hatch [S1.2] | 11 | Mark VI | Bob Hicks | | 4th |
| 1.5.1955 | BRSCC Brands Hatch [S1.2] | 14 | | J. Z. Huie | | 5th |
| 1.5.1955 | BRSCC Brands Hatch [S1.5] | 15 | Mark VI | Harley Deschamps | | 6th |
| 1.5.1955 | BRSCC Brands Hatch [S1.2] | 15 | Mark VI | Harley Deschamps | | 2nd |
| 1.5.1955 | BRSCC Brands Hatch [S1.5] | 21 | Mark VIII | Austen Nurse | | 3rd |
| 1.5.1955 | BRSCC Brands Hatch [S1.5] | 28 | Mark VI Empire | David Piper | | 4th |
| 1.5.1955 | BRSCC Brands Hatch [S1.5] | 30 | Mark IX | Peter Jopp | Team Lotus | 5th |
| 1.5.1955 | Mille Miglia | | Mark IX | Colin Chapman | | DNA |
| 7.5.1955 | Silverstone International | 28 | Mark X | Mike Anthony | Team Lotus | DNF |
| 7.5.1955 | Silverstone International | 34 | Mark IX | Colin Chapman | Team Lotus | DNF |
| 7.5.1955 | Silverstone International | 40 | Mark VIII | John Coombs | J .Coombs | DNA |
| 7.5.1955 | Silverstone International | | Mark VI | Peter Gammon | N. Allen | raced |
| 7.5.1955 | Silverstone International | | Mark X | Peter Scott-Russell | P. Scott Russell | raced |
| 8.5.1955 | Hockenheim [S1.5] | 3 | Mark VIII | George Nixon | | 8th |
| 13.5.1955 | Ulster Trophy | 5 | Mark VI | Chris Lindsay | | raced |
| 13.5.1955 | Ulster Trophy | | Mark VIII | Brian Naylor | | DNF |
| 14.5.1955 | MMKMC Silverstone [1172F+750F] | 3 | Mark IX | Mike MacDowel | | 1st |
| 14.5.1955 | MMKMC Silverstone [1172F+750F] | 11 | Mark VI | Jack Richards | | 3rd |
| 14.5.1955 | MMKMC Silverstone [S1.5] | 27 | Mark VI | Richard White | | 4th |
| 14.5.1955 | MMKMC Silverstone [Members Handicap] | 27 | Mark VI | Peter Gammon | | 2nd |
| 14.5.1955 | MMKMC Silverstone [S1.5] | 49 | Mark VIII | Austen Nurse | | 1st |
| 14.5.1955 | MMKMC Silverstone [S2.5] | 49 | Mark VIII | Austen Nurse | | 4th |
| 14.5.1955 | MMKMC Silverstone [S1.5] | 144 | Mark VI Empire | David Piper | | 2nd |