| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 81 | XK120 | E. Spain | | DNF |
| 1.6.1958 | GP Dunkirk | 2 | XK120 | Robert Holloway | | 23rd |
| 1.6.1958 | SCCA Regional Dunkirk [CM+DM+EM+CP] | 2 | XK120 | Robert Holloway | | 8th |
| 1.6.1958 | 1000 km Nürburgring | 8 | D-type | Bueb / Sanderson | Ecurie Ecosse | DNF |
| 1.6.1958 | 1000 km Nürburgring | 9 | D-type | Gregory / Flockhart | Ecurie Ecosse | DNF |
| 1.6.1958 | 1000 km Nürburgring | 10 | D-type | Fairman / Lawrence | Ecurie Ecosse | 9th |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 14 | XKSS | Dave Causey | | 11th |
| 1.6.1958 | SCCA Regional La Junta [BM+CM+DM+EM+BP+CP+DP] | 14 | XK140 MC | George Gunther | | 5th |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 18 | D-type | Carlyle Blackwell | Carlyle Blackwell | 7th |
| 1.6.1958 | SCCA Regional Dunkirk [CM+DM+EM+CP] | 36 | | Andrew Nicholas | | DNF |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 49 | D-type | George Constantine | George Constantine | DNF |
| 1.6.1958 | SCCA Regional Dunkirk [CM+DM+EM+CP] | 50 | XK120 | William Milliken | | 7th |
| 1.6.1958 | GP Dunkirk | 50 | XK120 | William Milliken | | DNF |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 62 | D-type | Briggs Cunningham | Briggs Cunningham | 10th |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 80 | D-type | Harry Carter | | 4th |
| 1.6.1958 | SCCA Regional La Junta [BM+CM+DM+EM+BP+CP+DP] | 108 | XK120 | Bob Ryerson | | 9th |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 127 | D-type | Bill Krause | Bill Krause | DNA |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 204 | Special | Don Hulette | Don Hulette | DNF |
| 1.6.1958 | La Junta [Ladies] | | XK120 | Barbara Ryerson | | DNF |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 46 | D-type | Jonathan Sieff | Jonathan Sieff | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 46 | D-type | Jonathan Sieff | Jonathan Sieff | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 46 | D-type | Jonathan Sieff | Jonathan Sieff | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 138 | D-type | Reg Harris | J. C. Broadhead | DNF |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 138 | D-type | Reg Harris | J. C. Broadhead | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 138 | D-type | Reg Harris | J. C. Broadhead | 4th |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 141 | Mark I 2.4 | Edwin Hodson | Edwin Hodson | DNA |
| 7.6.1958 | Preliminary Eagle Mountain [race 3] | | XKSS | Bob Stonedale | | DNS |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 8 | XK120 | Phillip Gelfo | | 5th |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 22 | XK120 M | George Magee | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 49 | D-type | George Constantine | | 8th |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 49 | XK120 M | William Hendrix | | 2nd |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 52 | C-type | Gordon MacKenzie | | 4th |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 76 | Special | Gerry Georgi | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 78 | XKSS | Tossie Alex | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 78 | XKSS | Tossie Alex | | ?th |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 82 | XK | James Downing | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [BP+CP+DP+EP] | 82 | | C. L. McDaniel | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BP+CP+DP+EP] | 82 | | C. L. McDaniel | | ?th |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 88 | XK120 M | James Ryan | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 139 | XK140 MC | Dudley Smolen | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 180 | D-type | Harry Carter | | 1st |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 10] | | XKSS | Bob Stonedale | | DNS |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 29 | XK140 MC | Al Laws | | DNF |
| 15.6.1958 | SCCA National Lime Rock [BM+CM+DM+EM+FM] | 49 | D-type | George Constantine | George Constantine | DNF |
| 15.6.1958 | SCCA National Lime Rock [BM+CM+DM+EM+FM] | 52 | C-type | Gordon MacKenzie | | 11th |
| 15.6.1958 | SCCA National Lime Rock [BP+CP] | 62 | XK150 S | Walt Hansgen | | 3rd |
| 15.6.1958 | Preliminary Laguna Seca [Production III] | 77 | XK140 | Andy Nielsen | | 13th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 77 | XK140 | Andy Nielsen | | 6th |
| 15.6.1958 | SCCA Regional Laguna Seca [CM+DM+EM] | 100 | D-type | Ray Seher | | 8th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 105 | XK120 | George Heaney | | 15th |
| 15.6.1958 | SCCA National Lime Rock [BP+CP] | 139 | XK140 MC | Dudley Smolen | | 11th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | XK150 | Pavy | | 15th |
| 21.6.1958 | ADMC Crimond [Sports] | 1 | D-type | Jim Clark | Border Reivers | 1st |
| 21.6.1958 | ADMC Crimond [Fastest Handicap] | 1 | D-type | Jim Clark | Border Reivers | raced |
| 21.6.1958 | ADMC Crimond [Production Handicap] | 33 | XK120 | J. I. Grant | J. I. Grant | DNA |
| 21.6.1958 | ADMC Crimond [Sports] | 33 | XK120 | J. I. Grant | J. I. Grant | DNF |
| 21.6.1958 | ADMC Crimond [Sports] | 35 | XK120 | | G. L. Crozier | raced |
| 22.6.1958 | SCCA National Road America [BM+CM+DM+BP] | 3 | D-type | Don Skogmo | Don R. Skogmo | 10th |
| 22.6.1958 | 24 h Le Mans | 6 | D-type | Fairman / Gregory | Ecurie Ecosse | DNF |
| 22.6.1958 | 24 h Le Mans | 7 | D-type | Sanderson / Lawrence | Ecurie Ecosse | DNF |
| 22.6.1958 | 24 h Le Mans | 8 | D-type | Bueb / Hamilton | J. Duncan Hamilton | DNF |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 9 | XK120 | Roy Fleishmann | | 21st |
| 22.6.1958 | 24 h Le Mans | 11 | D-type | Guelfi / "Mary" | Henri Peignaux | DNF |
| 22.6.1958 | SCCA National Road America [BM+CM+DM+BP] | 12 | C-type | Mason O'Keiff | G. Mason O'Keiff | DNA |
| 22.6.1958 | SCCA National Road America [BM+CM+DM+BP] | 17 | D-type | Jack Ensley | Jack R. Ensley | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 17 | XK150 S | Howard Quick | Dorothy Argabrite | 9th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 19 | XK140 MC | Roy Heath | Roy Heath | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 33 | XK140 | Dave Causey | | 8th |
| 22.6.1958 | 24 h Le Mans | 57 | D-type | Charles / Young | Maurice Charles | DNF |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 62 | XK150 S | Walt Hansgen | Briggs S. Cunningham | DNF |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 71 | XK140 MC | George Gunther | George F. Gunther | 5th |
| 22.6.1958 | SCCA National Road America [BM+CM+DM+BP] | 75 | C-type | Bill Zorn | William Zorn | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 7 | XK120 | Slako Bilinski | | 10th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 25 | XK120 | Kenneth MacDonald | | DNF |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 45 | XK120 | Andrew Nicholas | | 5th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 53 | D-type | William Kinchloe | | DNF |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 64 | Special | John Dowd | | 9th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 65 | XK120 M | William Milliken | | 11th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 108 | XK120 | Bruce Cargill | | 7th |
| 29.6.1958 | WJC Charterhall [Racing] | 38 | D-type | Jim Clark | Border Reivers | 1st |
| 29.6.1958 | WJC Charterhall [S+1.5] | 38 | D-type | Jim Clark | Border Reivers | 1st |
| 29.6.1958 | WJC Charterhall [S+1.5] | 46 | C-type | Alan Ensoll | A. Ensoll | 2nd |
| 29.6.1958 | WJC Charterhall [Racing] | 46 | C-type | Alan Ensoll | A. Ensoll | DNA |
| 29.6.1958 | WJC Charterhall [S+1.5] | 49 | | S. Wallace | S. Wallace | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 49 | | S. Wallace | S. Wallace | DNA |
| 29.6.1958 | St. Eugene [Formula Libre] | | XKSS | Stan McRobert | | 1st |
| 29.6.1958 | St. Eugene [Formula Libre] | | XK120 | Fred Richardson | | 2nd |
| 29.6.1958 | St. Eugene [S+1.6] | | XKSS | Stan McRobert | | 1st |
| 29.6.1958 | St. Eugene [S+1.6] | | XK140 | Maurice Dufresne | | DNA |
| 4.7.1958 | Orange County [Production +1.6] | | XK140 | Bob Kudler | | 2nd |
| 4.7.1958 | Orange County [S+1.5] | | XKSS | Bill Leyden | | DNA |
| 4.7.1958 | Orange County [Ladies] | | XK140 | Kay Furcho | | 3rd |
| 5.7.1958 | LASC Green Acres [S+2.6] | 27 | XKSS | Don Stewart | Donald Stewart | 4th |
| 5.7.1958 | SCCA National Lime Rock [CM+DM+EM+FM] | 52 | C-type | Gordon MacKenzie | | 12th |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 56 | XK120 M | Ham Leong | Ham S. Leong | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 56 | XK120 M | Ham Leong | Ham S. Leong | DNA |
| 5.7.1958 | SCCA National Lime Rock [BP+CP] | 91 | XK150 S | Bob Grossman | | 6th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 96 | | Ray Liddle | | 6th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 104 | XK150 S | Ray Carter | | 7th |
| 5.7.1958 | SCCA National Lime Rock [BP+CP] | 171 | XK150 S | Howard Quick | | 10th |