| 5.4.1958 | BRSCC Full Sutton [PS] | 64 | | Jim Clark | Border Reivers | 6th |
| 27.4.1958 | WJC Charterhall [S+1.5] | 39 | | C. W. Lawson | C. W. Lawson | DNA |
| 27.4.1958 | WJC Charterhall [S2.0] | 39 | | C. W. Lawson | C. W. Lawson | raced |
| 27.4.1958 | WJC Charterhall [S2.0] | 40 | | Jim Clark | Border Reivers | DNF |
| 27.4.1958 | WJC Charterhall [S+1.5] | 40 | | Jim Clark | Border Reivers | ?th |
| 15.5.1958 | Aspern [GT1.6] | 69 | | Anton Urban | Anton Urban | raced |
| 15.5.1958 | Aspern [GT1.6] | 70 | | Rolf Markl | ÖASC | raced |
| 15.5.1958 | Aspern [GT1.6] | 71 | | F. Gradischnigg | Porsche Club Ö | raced |
| 18.5.1958 | GP Spa [GT2.0] | 21 | | Jim Clark | Border Reivers | 5th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 120 | | Jim Clark | | DNE |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 35 | | C. W. Lawson | C. W. Lawson | DNA |
| 1.6.1958 | GP Dunkirk | 48 | | Bernard Groh | | 11th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 110 | | Bill Welsh | | 3rd |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 128 | | Victor Czito | | 5th |
| 21.6.1958 | ADMC Crimond [Fastest Handicap] | 2 | | Ian Scott Watson | Border Reivers | 1st |
| 21.6.1958 | ADMC Crimond [Production Handicap] | 2 | | Ian Scott Watson | Border Reivers | raced |
| 21.6.1958 | ADMC Crimond [S2.7] | 2 | | Jim Clark | Border Reivers | 4th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 48 | | Bernard Groh | Dr. Bernard Groh | 11th |
| 29.6.1958 | WJC Charterhall [S+1.5] | 39 | | Ian Scott Watson | Border Reivers | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 39 | | Jim Clark | Border Reivers | DNA |
| 5.7.1958 | SCCA National Lime Rock [FP] | 24 | | Buel Kinne | | 6th |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 7 | | Jim Clark | Border Reivers | 4th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 7 | | Jim Clark | Border Reivers | DNS |
| 12.7.1958 | BRSCC Full Sutton [GT] | 47 | | Jim Clark | Border Reivers | 2nd |
| 20.7.1958 | SCCA Regional Thompson [FP] | 8 | | Charles Windisch | | 8th |
| 20.7.1958 | SCCA Regional Thompson [GT] | 8 | | Charles Windisch | | 8th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 110 | | Bill Welsh | | 3rd |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 62 | | C. W. Lawson | C. W. Lawson | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | | | | Border Reivers | raced |
| 16.8.1958 | 6 h Relay Silverstone [Handicap] | | | Jim Clark | | 22nd |
| 17.8.1958 | Zeltweg [GT+1.3] | 79 | | Eberhard Mahle | Eberhard Mahle | raced |
| 17.8.1958 | SCCA National Montgomery [FP] | 137 | | Richard Lerner | | 5th |
| 31.8.1958 | Preliminary Thompson [FP] | 10 | | Floyd Stone | | DNF |
| 31.8.1958 | Preliminary Thompson [FP] | 110 | | Bill Welsh | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 110 | | Bill Welsh | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 30 | | Donald Mark | | 21st |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 30 | | Donald Mark | | 20th |
| 28.9.1958 | WJC Charterhall [GT] | 39 | | Jim Clark | Border Reivers | ?th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 39 | | Ian Scott Watson | Border Reivers | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 60 | | C. W. Lawson | C. W. Lawson | DNA |
| 5.10.1958 | SCCA Regional Thompson [FP] | 48 | | Chandler Lawrence | | DNF |
| 5.10.1958 | SCCA Regional Thompson [FP] | 51 | | Dick Steltz | | 3rd |
| 5.10.1958 | SCCA Regional Thompson [FP] | 54 | | Dave Dunn | | 6th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 58 | | S. Wasilow | | DNF |
| 5.10.1958 | Innsbruck [GT1.6] | 59 | | Wolfgang Meyer | Wolfgang Meyer | DNF |
| 5.10.1958 | SCCA Regional Thompson [FP] | 70 | | George Frey | | 2nd |
| 5.10.1958 | SCCA Regional Thompson [FP] | 142 | | John Keeney | | 7th |
| 11.10.1958 | 3 h Autosport | 11 | | C. W. Lawson | C. W. Lawson | DNA |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 115 | | Victor Czito | | 7th |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 142 | | John Keeney | | raced |