| 5.5.1968 | SM Velodromloppet [GT2.0] | 2 | 911 T | Sten Axelsson | Axelsson Road Racing | DNA |
| 5.5.1968 | SM Velodromloppet [GT2.0] | 4 | | Lars Elgen | | DNA |
| 5.5.1968 | SM Velodromloppet [GT2.0] | 5 | 911 S | Ingemar Burström | | 4th |
| 5.5.1968 | SM Velodromloppet [GT2.0] | 6 | 911 S | Sten Frohde | Malvac Racing | 6th |
| 5.5.1968 | SCCA National Newport | 7 | Special | Jim Helton | | DNA |
| 5.5.1968 | SCCA National Newport | 10 | 911 | Milt Davis | | DNA |
| 5.5.1968 | SCCA National Newport | 14 | 906 | Lew Florence | | DNA |
| 5.5.1968 | SM Velodromloppet [GT2.0] | 21 | 911 S | Anders Josephson | Team Tyger | 1st |
| 5.5.1968 | SM Velodromloppet [SP] | 22 | 904 GTS | Gustaf Dieden | | 4th |
| 5.5.1968 | SM Velodromloppet [GT2.0] | 22 | 911 S | Ulf Norinder | Sportscars Unlimitied Switzerland | 2nd |
| 5.5.1968 | USRRC Laguna Seca | 33 | 910 Bergspyder | Scooter Patrick | Otto Zipper | 8th |
| 5.5.1968 | Targa Florio | 38 | 356 C Super 90 Cabriolet | Reale / "Harka" | Scuderia Pegaso | 51st |
| 5.5.1968 | SCCA National Newport | 57 | 906 | Monte Shelton | | DNA |
| 5.5.1968 | USRRC Laguna Seca | 60 | 910 H | | Otto Zipper | DNS |
| 5.5.1968 | USRRC Laguna Seca | 61 | 906 | Milt Minter | | 12th |
| 5.5.1968 | Targa Florio | 62 | 911 T | Bonomelli / Moretti | E. Bonomelli | DNA |
| 5.5.1968 | Targa Florio | 64 | 911 T | Hanrioud / Sage | Wicky Racing Team | DNA |
| 5.5.1968 | Targa Florio | 66 | 911 T | Wicky / Meier | Wicky Racing Team | DNA |
| 5.5.1968 | Targa Florio | 68 | 911 S | Sanson / Lefevre | P. Sanson | 26th |
| 5.5.1968 | Targa Florio | 70 | 911 S | Floridia / Mirto Randazzo | Scuderia Pegaso | 13th |
| 5.5.1968 | Targa Florio | 72 | 911 S | Rey / Garant | Scuderia Filipinetti | 17th |
| 5.5.1968 | Targa Florio | 76 | 911 S | Ferlaino / Starrabba | C. Ferlaino | 16th |
| 5.5.1968 | Targa Florio | 78 | 911 T/R | Laurent / Marché | C. Laurent | 20th |
| 5.5.1968 | SCCA National Newport | 79 | 911 S | Todd Webb | | DNA |
| 5.5.1968 | Targa Florio | 82 | 911 S | Haldi / Greub / Berney | Ecurie Les Corsaires | 8th |
| 5.5.1968 | Targa Florio | 128 | 906 | von Wendt / Kauhsen | Karl von Wendt | 7th |
| 5.5.1968 | Targa Florio | 132 | 906 | Starrabba / Ostini | G. Starrabba | DNF |
| 5.5.1968 | Targa Florio | 134 | 906 | Buzzetti / Ridolfi | E. Buzzetti | 21st |
| 5.5.1968 | Faßberg [SP] | 171 | 906 | Erich Bitter | | 1st |
| 5.5.1968 | Targa Florio | 172 | 910 | Nicodemi / Facetti | Piccionaia Racing Team | 10th |
| 5.5.1968 | Targa Florio | 188 | 910 | Alberti / Marchesi | Piccionaia Racing Team | DNF |
| 5.5.1968 | Targa Florio | 190 | 910 | Lins / Steinemann | Valvoline Racing Team | 9th |
| 5.5.1968 | Targa Florio | 194 | 910 | "Gano" | "Gano" | DNS |
| 5.5.1968 | Targa Florio | 198 | 910 | Pon / van Lennep | Ben M. Pon | DNA |
| 5.5.1968 | Targa Florio | 204 | 910 | Dechent / Huhn | Scuderia Lufthansa | DNA |
| 5.5.1968 | Targa Florio | 212 | 910 | Capuano / Latteri | Scuderia Pegaso | DNS |
| 5.5.1968 | Targa Florio | 222 | 907 | Herrmann / Neerpasch | Porsche System Engineering | 4th |
| 5.5.1968 | Targa Florio | 224 | 907 | Elford / Maglioli | Porsche System Engineering | 1st |
| 5.5.1968 | Targa Florio | 226 | 907 | Siffert / Stommelen | Porsche System Engineering | 18th |
| 5.5.1968 | Targa Florio | 230 | 907 | Scarfiotti / Mitter | Porsche System Engineering | T-car |
| 5.5.1968 | Targa Florio | 230T | 907 | Scarfiotti / Mitter | Porsche System Engineering | 49th |
| 5.5.1968 | DARM Faßberg | | 911 S | Hans-Jürgen Rossoll | | ?th |
| 5.5.1968 | DARM Faßberg | | 911 S | Hubertus von der Borch | | 3rd |
| 5.5.1968 | DARM Faßberg | | 911 T | Eberhard Mahle | | 1st |
| 5.5.1968 | DARM Faßberg | | 911 S | Hans-Dieter Weigel | | 2nd |
| 5.5.1968 | SA SCC Bulawayo | | 906 | Clive van Buuren | | 2nd |
| 5.5.1968 | Dijon [GT] | | 911 | J.-M. Sochat | | 6th |
| 12.5.1968 | SM Skarpnäck [SP] | 4 | 906 | Anders Josephson | Team Tyger Tyger Tyger | raced |
| 12.5.1968 | SM Skarpnäck [SP] | 10 | 904 GTS | Gustaf Dieden | | DNA |
| 12.5.1968 | Dunes Trophy Zandvoort | 17 | 906 | Jeremy Delmar-Morgan | Delmar Morgan | 6th |
| 12.5.1968 | Dunes Trophy Zandvoort | 18 | 906 | Erich Bitter | Caltex Racing Team | 4th |
| 12.5.1968 | Dunes Trophy Zandvoort | 19 | 906 | Frans Lubin | Frami Racing | DNA |
| 12.5.1968 | GP Paris [SP] | 23 | 910 | Jean de Mortemart | André Wicky | 5th |
| 12.5.1968 | GP Paris [SP/GT/TS] | 26 | 910 | Hans-Dieter Dechent | Scuderia Lufthansa | DNS |
| 12.5.1968 | GP Paris [SP] | 26 | 910 | Hans-Dieter Dechent | Scuderia Lufthansa | 2nd |
| 12.5.1968 | SMRC Ingliston [Marque] | 41 | 356 C 1600 SC | R. J. Fischer | R. Fischer | 6th |
| 12.5.1968 | Dunes Trophy Zandvoort | 44 | 911 S | John Spero | Heuer Time Ltd. | raced |
| 12.5.1968 | Dunes Trophy Zandvoort | 45 | 911 S | Ben Pon | Sten Axelsson Road Racing-Sweden | ?th |
| 12.5.1968 | BARC Mallory Park [Special GT] | 72 | 911 S | Dickie Stoop | Dickie Stoop | 5th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 74 | 356 Carrera | Ernest Stalder | Ernest Stalder | 13th |
| 12.5.1968 | SCCA National Cumberland [ASR+BSR] | 77 | 718 RS 60 | Bruce Jennings | Bruce Jennings | DNF |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 77 | 356 Carrera | Bruce Jennings | Bruce Jennings | 6th |
| 12.5.1968 | Trans-Am War Bonnet Park | | 911 | Marty Gifford | | 10th |
| 12.5.1968 | Trans-Am War Bonnet Park | | 911 | Bert Everett | Holbert's Garage, Inc. | 11th |
| 12.5.1968 | Trans-Am War Bonnet Park | | 911 | Tony Adamowicz | | 6th |
| 12.5.1968 | Trans-Am War Bonnet Park | | 911 | Pete Harrison | | DNF |
| 12.5.1968 | GP Paris [GT] | | 911 T/R | Claude Ballot-Léna | | 6th |
| 12.5.1968 | GP Paris [SP/GT/TS] | | 911 T/R | Claude Ballot-Léna | | 5th |
| 12.5.1968 | GP Paris [GT] | | 911 S | Pierre Mauroy | | 4th |
| 12.5.1968 | GP Paris [SP/GT/TS] | | 911 | Jean-Claude Parot | | 6th |
| 19.5.1968 | 1000 km Nürburgring | 1 | 908 Coupe | Mitter / Scarfiotti | Porsche | DNF |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | 1 | 906 | John Weinberger | | 1st |
| 19.5.1968 | 1000 km Nürburgring | 2 | 908 Coupe | Siffert / Elford | Porsche | 1st |
| 19.5.1968 | 1000 km Nürburgring | 3 | 907 | Herrmann / Stommelen | Porsche | 2nd |
| 19.5.1968 | 1000 km Nürburgring | 4 | 907 | Neerpasch / Buzzetta | Porsche | 4th |
| 19.5.1968 | SCCA National Kent | 4 | 906 | Lew Florence | | raced |
| 19.5.1968 | SM Dalsland [SP] | 9 | 906 | Anders Josephson | Team Tyger | 3rd |
| 19.5.1968 | 1000 km Nürburgring | 22 | 910 | Koch / Lins | Gerhard Koch | 20th |
| 19.5.1968 | 1000 km Nürburgring | 24 | 910 | Dechent / Huhn | Scuderia Lufthansa | DNF |
| 19.5.1968 | 1000 km Nürburgring | 25 | 910 | Neuhaus / Kelleners | Jürgen Neuhaus | 8th |
| 19.5.1968 | 1000 km Nürburgring | 27 | 911 R | Nogueira Pinto / Villar | Sport-Uniao Sintrense | 24th |
| 19.5.1968 | 1000 km Nürburgring | 32 | 910 | Steinemann / Spoerry | Hart Ski Racing Team | 25th |
| 19.5.1968 | 1000 km Nürburgring | 80 | 906 | Kauhsen / von Wendt | IGFA Köln | 12th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | 81 | 356 A | Bob Nelson | | 1st |
| 19.5.1968 | 1000 km Nürburgring | 82 | 906 | Toivonen / Aarnio-Wihuri | VW-Auto Oy | DNF |
| 19.5.1968 | 1000 km Nürburgring | 84 | 906 | Ashmore / Morris | Mefco Racing | 16th |
| 19.5.1968 | 1000 km Nürburgring | 86 | 906 | Fischhaber / Leuze | Anton Fischhaber | DNF |
| 19.5.1968 | 1000 km Nürburgring | 87 | 906 | Bitter / Jöst | Caltex Racing Team | 11th |
| 19.5.1968 | 1000 km Nürburgring | 90 | 906 | Delmar-Morgan / Walton | Jeremy Delmar-Morgan | 19th |
| 19.5.1968 | 1000 km Nürburgring | 93 | 906 | Bradley / Lambert | Vic Elford | 15th |
| 19.5.1968 | 1000 km Nürburgring | 96 | 906 | Ising / Kalkuhl | Rainer Ising | DNF |
| 19.5.1968 | Junioren Trophy Zandvoort | | 911 S | Helmut Schang | | 4th |
| 19.5.1968 | Junioren Trophy Zandvoort | | 911 S | Hubertus von der Borch | | 2nd |
| 19.5.1968 | Junioren Trophy Zandvoort | | 911 S | Hans-Jürgen Kramer | | 3rd |
| 19.5.1968 | Junioren Trophy Zandvoort | | 911 S | Renate Wowereit | | 5th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | | 356 | Merv Rosen | | 5th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | | 356 Speedster | Jim Osborne | | 4th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | | 356 Speedster | George LaCross | George LaCrosse | 12th |
| 19.5.1968 | Junioren Trophy Zandvoort | | 911 T | Christian Rötzel | | 1st |
| 19.5.1968 | Junioren Trophy Zandvoort | | | Willi Miebach | | ?th |