| 5.5.1968 | USRRC Laguna Seca | 7 | #SL71/17 | Jack Millikan | George Hollinger | 11th |
| 5.5.1968 | USRRC Laguna Seca | 9 | #SL73/107 | Bill Young | Bill Young | 9th |
| 5.5.1968 | USRRC Laguna Seca | 10 | #SL73/128 | Chuck Parsons | Carl Haas Racing | 4th |
| 5.5.1968 | USRRC Laguna Seca | 12 | #SL73/103 | Jerry Entin | Entin Bros. Racing | 6th |
| 5.5.1968 | USRRC Laguna Seca | 14 | #SL73/104 | Bud Morley | Morley Racing | 5th |
| 5.5.1968 | USRRC Laguna Seca | 26 | #SL73/129 | Skip Scott | Carl Haas Racing | 16th |
| 5.5.1968 | USRRC Laguna Seca | 36 | #SL73/122? | Swede Savage | All American Racers | DNA |
| 5.5.1968 | USRRC Laguna Seca | 37 | #SL71/48 | George Hollinger | Sports/Racing Pacific | DNA |
| 5.5.1968 | USRRC Laguna Seca | 52 | #SL73/115 | Peter Revson | Shelby Racing Co. | DNA |
| 5.5.1968 | USRRC Laguna Seca | 76 | #SL73/108 | Tony Settember | Webster Racing | DNF |
| 5.5.1968 | Dijon | 122 | #SL73/133 | Jean-Michel Giorgi | Jean-Michel Giorgi | raced |
| 6.5.1968 | 750 MC Silverstone [S+GT] | 143 | #SL73/102 | Sid Taylor | Steering Wheel Club | 2nd |
| 11.5.1968 | LCCC Oulton Park [Special GT] | 134 | #SL73/102 | Sid Taylor | Steering Wheel Club | 3rd |
| 12.5.1968 | SM Skarpnäck [SP] | 1 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | 1st |
| 12.5.1968 | SM Skarpnäck [SP] | 11 | #SL73/132 | Ulf Norinder | Sportscar Unlimited | DNA |
| 12.5.1968 | BARC Mallory Park [Special GT] | 52 | #SL73/102 | Sid Taylor | Steering Wheel Club (West Bromwich) | 1st |
| 12.5.1968 | BARC Mallory Park [Formula Libre] | 52 | #SL73/102 | Sid Taylor | Steering Wheel Club (West Bromwich) | 1st |
| 12.5.1968 | GP Paris [SP] | | #SL73/133 | Jean-Michel Giorgi | Jean-Michel Giorgi | 4th |
| 12.5.1968 | GP Paris [SP/GT/TS] | | #SL73/133 | Jean-Michel Giorgi | Jean-Michel Giorgi | 3rd |
| 18.5.1968 | AMOC Silverstone | 7 | #SL73/102 | Sid Taylor | Steering Wheel Club | 2nd |
| 18.5.1968 | AMOC Silverstone | 37 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | DNA |
| 19.5.1968 | USRRC Bridgehampton | 3 | #SL71/43 | George Ralph | George L. Ralph | DNF |
| 19.5.1968 | SM Dalsland [SP] | 3 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | 1st |
| 19.5.1968 | USRRC Bridgehampton | 10 | #SL73/128 | Chuck Parsons | Carl Haas | 2nd |
| 19.5.1968 | USRRC Bridgehampton | 26 | #SL73/129 | Skip Scott | Carl Haas | 1st |
| 19.5.1968 | 1000 km Nürburgring | 70 | #SL73/105 | de Udy / Dibley | Michael G. de'Udy | DNA |
| 19.5.1968 | USRRC Bridgehampton | 71 | #SL75/123 | Brian O'Neil | | DNF |
| 19.5.1968 | 1000 km Nürburgring | 72 | #SL73/132 | Norinder / Widdows | Sportscars Unlimited | DNF |
| 19.5.1968 | Lagunillas de Merida | 110? | #SL70/6 | Alí Rachid | Venezolana Aerea de Craga | 3rd |
| 19.5.1968 | Lagunillas de Merida | 111? | #SL70/12 | Henry Hoyos | Venezolana Aerea de Carga | DNF |
| 26.5.1968 | M7C Mallory Park [Special GT] | 10 | #SL73/102 | Sid Taylor | Steering Wheel Club | 1st |
| 26.5.1968 | M7C Mallory Park [Formula Libre] | 10 | #SL73/102 | Sid Taylor | Steering Wheel Club | 2nd |
| 26.5.1968 | 1000 km Spa | 30 | #SL73/105 | de Udy / Dibley | Mike De Udy | DNA |
| 26.5.1968 | 1000 km Spa | 31 | #SL73/121 | Epstein / Liddell | Jackie Epstein | 10th |
| 2.6.1968 | USRRC St. Jovite | 3 | #SL71/43 | George Ralph | George L. Ralph | 11th |
| 2.6.1968 | SCCA National Willow Springs [ASR+BSR+CSR] | 7 | #SL71/17 | Jack Millikan | Automotion | raced |
| 2.6.1968 | USRRC St. Jovite | 10 | #SL73/128 | Chuck Parsons | Carl Haas | 6th |
| 2.6.1968 | USRRC St. Jovite | 14 | #SL73/104 | Bud Morley | Bud Morley | 4th |
| 2.6.1968 | USRRC St. Jovite | 17 | #SL71/45 | Anson Johnson | American Racing Motors | DNF |
| 2.6.1968 | USRRC St. Jovite | 26 | #SL73/129 | Skip Scott | Carl Haas | 18th |
| 2.6.1968 | USRRC St. Jovite | 43 | #SL73/120 | Richard Galloway | R. B. Galloway | 10th |
| 2.6.1968 | SCCA Grattan | 44 | #SL73/126 | Jerry Hansen | Jerry Hansen | 2nd |
| 2.6.1968 | USRRC St. Jovite | 71 | #SL75/123 | Brian O'Neil | | DNF |
| 2.6.1968 | SCCA National Willow Springs [ASR+BSR+CSR] | 99 | #SL73/107 | Bill Young | Bill Young Sports Cars | DNA |
| 3.6.1968 | Caversham 6 h Le Mans | 1 | #SL71/38 | O'Sullivan / Lisle | Don O'Sullivan Racing Team | DNF |
| 3.6.1968 | Tourist Trophy | 40 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | 24th |
| 3.6.1968 | Tourist Trophy | 42 | #SL73/102 | Denny Hulme | Sid Taylor Racing | 1st |
| 9.6.1968 | ICSCC Portland [SR] | 69 | #SL70/2 | Eric Anderson | Eric N. Anderson | 2nd |
| 9.6.1968 | Rose Cup Portland | 69 | #SL70/2 | Eric Anderson | Eric N. Anderson | DNA |
| 9.6.1968 | Rose Cup Portland | 76 | #SL73/108 | | Webster Racing Enterprises | 2nd |
| 16.6.1968 | Anderstorp [SP] | 17 | #SL73/132 | Ulf Norinder | Sportscars Unlimited | DNF |
| 16.6.1968 | Anderstorp [SP] | 31 | #SL73/102 | Sten Axelsson | West Bromvich Steering Wheel Club | 3rd |
| 16.6.1968 | Anderstorp [SP] | 33 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | 1st |
| 16.6.1968 | SCCA National Road America [ASR+BSR] | 44 | #SL73/126 | Jerry Hansen | Jerry Hansen | 1st |
| 23.6.1968 | Guards Trophy Mallory Park | 61 | #SL73/102 | Frank Gardner | Steering Wheel Club of West Bromwich | 1st |
| 23.6.1968 | Guards Trophy Mallory Park | 82 | #SL73/105 | Mike de Udy | Mike De'Udy | 3rd |
| 23.6.1968 | Maracaibo | 111? | #SL70/12 | Henry Hoyos | Venezolana Aerea de Carga | raced |
| 30.6.1968 | 200 mile Norisring | 1 | #SL73/102 | Frank Gardner | Sidney Taylor Racing | 16th |
| 30.6.1968 | 200 mile Norisring | 2 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | 12th |
| 30.6.1968 | 200 mile Norisring | 3 | #SL73/105 | Mike de Udy | Michael De'Udy | DNA |
| 30.6.1968 | 200 mile Norisring | 4 | #SL73/121 | Jackie Epstein | Jackie Epstein | 11th |
| 30.6.1968 | 200 mile Norisring | 5 | #SL73/132 | Ulf Norinder | Sportscars Unlimited | DNF |
| 30.6.1968 | SCCA National Lime Rock | 6 | #SL71/32 | John Meyer | John Meyer | raced |
| 30.6.1968 | USRRC Kent | 7 | #SL71/17 | Jack Millikan | George Hollinger | DNA |
| 30.6.1968 | Suzuka Cup | 9 | #SL73/116 | Masahiro Hasemi | Taki Racing Team | DNF |
| 30.6.1968 | USRRC Kent | 10 | #SL73/128 | Chuck Parsons | Carl Haas | 2nd |
| 30.6.1968 | USRRC Kent | 12 | #SL73/103 | Jerry Entin | Jerry Entin | DNF |
| 30.6.1968 | USRRC Kent | 14 | #SL73/104 | Bud Morley | Bud Morley | DNF |
| 30.6.1968 | USRRC Kent | 26 | #SL73/129 | Skip Scott | Carl Haas | 1st |
| 30.6.1968 | USRRC Kent | 43 | #SL73/120 | Richard Galloway | R. B. Galloway | DNA |
| 30.6.1968 | SCCA National Milwaukee | 44 | #SL73/126 | Jerry Hansen | Jerry Hansen | 1st |
| 30.6.1968 | USRRC Kent | 52 | #SL73/119 | Peter Revson | Shelby American Inc. | DNF |
| 30.6.1968 | USRRC Kent | 69 | #SL70/2 | Eric Anderson | Eric Anderson | DNF |
| 30.6.1968 | USRRC Kent | 76 | #SL73/108 | Tony Settember | Webster Racing | DNF |
| 30.6.1968 | USRRC Kent | 99 | #SL73/107 | Bill Young | | 4th |
| 30.6.1968 | 500 km Maracaibo | 111? | #SL70/12 | Hoyos / Rachid | Venezolana Aerea de Carga | 4th |
| 7.7.1968 | SCCA National Riverside [ASR+BSR+CSR] | 37 | #SL71/48 | George Hollinger | Sports Racing Pacific | DNA |
| 7.7.1968 | Vila Real | 60 | #SL73/132 | Ulf Norinder | Sportscars Unlimited | DNA |
| 7.7.1968 | Vila Real | 62 | #SL73/102 | John Woolfe | John Woolfe | 6th |
| 7.7.1968 | Vila Real | 63 | #SL73/105 | Mike de Udy | Mike De Udy | 1st |
| 7.7.1968 | Vila Real | 67 | | Alan Harvey | | DNA |
| 13.7.1968 | USRRC Watkins Glen | 3 | #SL71/43 | George Ralph | George L. Ralph, Jr. | DNF |
| 13.7.1968 | USRRC Watkins Glen | 5 | #SL70/1 | Dave Wolin | Team Shorall Motor Racing | DNA |
| 13.7.1968 | USRRC Watkins Glen | 10 | #SL73/128 | Chuck Parsons | Carl A. Haas Racing Teams | 2nd |
| 13.7.1968 | USRRC Watkins Glen | 23 | | Skipp Walther | George Walther, Jr. | DNS |
| 13.7.1968 | USRRC Watkins Glen | 26 | #SL73/129 | Skip Scott | Carl A. Haas Racing Teams | DNF |
| 13.7.1968 | USRRC Watkins Glen | 43 | #SL73/120 | Richard Galloway | Rich Galloway | DNF |
| 13.7.1968 | SCCA Southport [ASR+BSR+AP+BP+AS] | 44 | #SL73/126 | Jerry Hansen | Jerry Hansen | 1st |
| 14.7.1968 | 6 h Watkins Glen | 11 | #SL73/101 | Bonnier / Parsons | Ecurie Bonnier | 10th |
| 14.7.1968 | National Magny-Cours | | #SL73/133 | Jean-Michel Giorgi | Jean-Michel Giorgi | DNS |
| 21.7.1968 | 1000 km Fuji | 1 | #SL73/130 | Hasemi / Tanaka | Taki Racing Team | raced |
| 21.7.1968 | Solituderennen Hockenheim [SP] | 19 | #SL73/132 | Ulf Norinder | Sports Cars Unlimited | 4th |
| 21.7.1968 | Solituderennen Hockenheim [SP] | 21 | #SL73/102 | John Woolfe | John Woolfe Racing | DNS |
| 21.7.1968 | Solituderennen Hockenheim [SP] | 22 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | ?th |
| 27.7.1968 | Martini Trophy Silverstone | 1 | #SL73/134 | Denny Hulme | Sid Taylor Racing | 1st |
| 27.7.1968 | Martini Trophy Silverstone | 2 | #SL73/101 | Jo Bonnier | Ecurie Bonnier | DNF |
| 27.7.1968 | Martini Trophy Silverstone | 3 | #SL73/105 | Mike de Udy | Mike de Udy | DNF |
| 27.7.1968 | Martini Trophy Silverstone | 4 | #SL73/121 | David Hobbs | Jackie Epstein | DNF |
| 27.7.1968 | Martini Trophy Silverstone | | #SL73/102 | Brian Muir | John Woolfe | DNS |
| 28.7.1968 | 500 mile Road America | 76 | #SL73/106 | Drolsom / Kronn | George Drolsom | 18th |