| 16.6.1968 | Marlboro 300 | 4 | | McDaniel / Moore | | 2nd |
| 16.6.1968 | Trans-Am Mid-Ohio | 14 | | Bert Everett | Holbert's Garage, Inc. | 5th |
| 16.6.1968 | Trans-Am Mid-Ohio | 73? | | Joe Grimaldi | Fred Opert | DNF |
| 16.6.1968 | Hockenheim [GT] | | | Rolf Lieb | | 3rd |
| 16.6.1968 | Hockenheim [GT] | | #118 2 0721? | Roland Bauer | | 2nd |
| 16.6.1968 | DARM 2 h Zolder [GT/S/TS+1.3] | | | Hans-Dieter Weigel | | ?th |
| 16.6.1968 | DARM 2 h Zolder [GT/S/TS+1.3] | | | Ernst Kraus | | ?th |
| 16.6.1968 | DARM 2 h Zolder [GT/S/TS+1.3] | | | Helmut Kelleners | | 1st |
| 16.6.1968 | Hockenheim [GT] | | | Klaus Meckesheimer | | 4th |
| 16.6.1968 | DARM 2 h Zolder [GT/S/TS+1.3] | | | Dieter Fröhlich | | DNF |
| 16.6.1968 | Trans-Am Mid-Ohio | | | Russ Norburn | | 9th |
| 16.6.1968 | Trans-Am Mid-Ohio | | | Tony Adamowicz | | 7th |
| 16.6.1968 | Hockenheim [GT] | | | Ferfried von Hohenzollern | | 1st |
| 21.6.1968 | SM Midnattsloppet [GT2.0] | | | Ulf Norinder | | 3rd |
| 21.6.1968 | SM Midnattsloppet [GT2.0] | | #306 950 S | Ingemar Burström | | 5th |
| 21.6.1968 | SM Midnattsloppet [GT2.0] | | #306 830 S | Anders Josephson | | 1st |
| 21.6.1968 | SM Midnattsloppet [GT2.0] | | | Lars Elgen | | 2nd |
| 21.6.1968 | SM Midnattsloppet [GT2.0] | | | Sten Axelsson | | 4th |
| 23.6.1968 | Trans-Am Bridgehampton | 7 | | Tony Adamowicz | | 5th |
| 23.6.1968 | Trans-Am Bridgehampton | 14 | | Bert Everett | Holbert's Garage, Inc. | 12th |
| 23.6.1968 | Trans-Am Bridgehampton | 18 | | Wetanson / Jennings | | DNF |
| 23.6.1968 | Trans-Am Bridgehampton | 22 | | Bailey / Locke | | 6th |
| 23.6.1968 | Trans-Am Bridgehampton | 73? | | Opert / Grimaldi | Fred Opert | 11th |
| 23.6.1968 | Coppa Gallenga Vallelunga | | | Giancarlo Rondanini | | ?th |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Walter Lehmann | | DNF |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Ernst Kraus | | DNF |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Christian Rötzel | | ?th |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | #118 2 0721? | Roland Bauer | | 4th |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Hans-Dieter Weigel | | 5th |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Fritz Leinenweber | | 3rd |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Malte Huth | | 2nd |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | | Ferfried von Hohenzollern | | 1st |
| 23.6.1968 | DARM Mainz-Finthen [GT+1.6] | | #118 2 0639 | Ernst Seiler | | ?th |
| 23.6.1968 | Trans-Am Bridgehampton | | | Pete Harrison | | 7th |
| 23.6.1968 | Coppa Gallenga Vallelunga | | | Ennio Bonomelli | | ?th |
| 23.6.1968 | Coppa Gallenga Vallelunga | | | Corrado Ferlaino | | ?th |
| 23.6.1968 | Trans-Am Bridgehampton | | | Marty Gifford | | 8th |
| 30.6.1968 | SCCA Regional Kent | 65 | | | | raced |
| 4.7.1968 | 6 h Riverside | 1 | #118 0 0224 | Johnson / Kirby | Don Burns Racing | 2nd |
| 4.7.1968 | 6 h Riverside | 74 | | Wakeley / Brownell / Akly | Cotton Goff | DNA |
| 6.7.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+DP+AS+BS] | 51 | | Bruce O'Neil | | 5th |
| 6.7.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+DP+AS+BS] | 59 | | Del Bolton | Del Bolton | 9th |
| 7.7.1968 | SCCA National Riverside [CP+DP] | 1 | #118 0 0224 | Alan Johnson | Porsche Car Distributors Inc. | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 10 | | Milt Davis | Metro VW Inc. | DNA |
| 7.7.1968 | SCCA National Riverside [CP+DP] | 11 | | Milt Minter | Vasek Polak | DNA |
| 7.7.1968 | 6 h Nürburgring | 11 | | Klocke / Braun | Helmut Klocke | 8th |
| 7.7.1968 | 6 h Nürburgring | 12 | | Fröhlich / Pon | Dieter Fröhlich | 4th |
| 7.7.1968 | Trans-Am Meadowdale | 14 | | Bert Everett | Holbert's Garage, Inc. | 14th |
| 7.7.1968 | 6 h Nürburgring | 14 | | Pesch / Zanders | Auto-Kremer, Racing-Team | DNA |
| 7.7.1968 | 6 h Nürburgring | 15 | | Kremer / Kauhsen | Auto-Kremer, Racing-Team | 6th |
| 7.7.1968 | 6 h Nürburgring | 16 | | Niggermeyer / Bickmann | Niggermeyer | 18th |
| 7.7.1968 | 6 h Nürburgring | 18 | | Steinemann / Bradley | Bill Bradley | DNF |
| 7.7.1968 | 6 h Nürburgring | 19 | | Gunnarsson / Rothstein | BP-Racing-Club | 3rd |
| 7.7.1968 | 6 h Nürburgring | 20 | #13448 | Neuhaus / Kelleners | Auto-Kremer Racing-Team | DNF |
| 7.7.1968 | 6 h Nürburgring | 22 | | von Hohenzollern / Huth | Ferfried von Hohenzollern | DNF |
| 7.7.1968 | 6 h Nürburgring | 28 | | Hunter / Pierpoint | | 7th |
| 7.7.1968 | 6 h Nürburgring | 28 | | Blank / Baumann | B.P. Racing-Club | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 31 | | Pete Buschbaum | Bruce O'Neil | DNA |
| 7.7.1968 | 6 h Nürburgring | 32 | | Werner / Nolte | Alexander Nolte | DNF |
| 7.7.1968 | Ronde Cévenole | 67 | #118 9 9016R | Xavier Camprubi | | DNF |
| 7.7.1968 | Vila Real | 68 | | John Spero | | DNA |
| 7.7.1968 | SCCA National Riverside [CP+DP] | 74 | | Ed Wakeley | Cotton Goff | DNA |
| 7.7.1968 | Vila Real | 81 | #118 9 9010R | Manuel Nogueira Pinto | | 13th |
| 7.7.1968 | Trans-Am Meadowdale | | | Wilbur Pickett | | 12th |
| 7.7.1968 | Ronde Cévenole | | #300 055 | Sylvain Garant | | raced |
| 7.7.1968 | Trans-Am Meadowdale | | | Tony Adamowicz | | 5th |
| 7.7.1968 | Niederstetten | | | Werner Brendel | | 2nd |
| 7.7.1968 | Trans-Am Meadowdale | | | Bailey / Locke | | DNF |
| 7.7.1968 | Niederstetten | | | Rolf Lieb | | 3rd |
| 7.7.1968 | Trans-Am Meadowdale | | | Fred Baker | | 6th |
| 7.7.1968 | Hockenheim [GT] | | | Ernst Kraus | | 1st |
| 7.7.1968 | Niederstetten | | | Hans-Dieter Weigel | | 1st |
| 7.7.1968 | Hockenheim [GT] | | | Hubertus von der Borch | | 3rd |
| 7.7.1968 | Trans-Am Meadowdale | | | Pete Harrison | | 7th |
| 14.7.1968 | 6 h Watkins Glen | 59 | | Everett / Gregg | Brumos Porsche Corp. | 8th |
| 14.7.1968 | 6 h Watkins Glen | 94 | | Meaney / Dearborn | Ralph Meaney | 14th |
| 14.7.1968 | Magny-Cours International [GT] | | | J.-M. Sochat | | 5th |
| 14.7.1968 | National Magny-Cours | | | André Wicky | | 3rd |
| 14.7.1968 | Montes Claros | | #118 9 9010R | Manuel Nogueira Pinto | | 4th |
| 14.7.1968 | Nürburgring Hansapokal [GT] | | | Ernst Kraus | | ?th |
| 14.7.1968 | Magny-Cours International [GT] | | | André Wicky | | 1st |
| 21.7.1968 | 24 h Spa | 11 | #118 2 0724 | Gaban / Vanderschrieck | | DNF |
| 21.7.1968 | Trans-Am St. Jovite | 14 | | Bert Everett | Holbert's Garage, Inc. | DNF |
| 21.7.1968 | 24 h Spa | 25 | | Haldi / Rey | Scuderia Filipinetti | DNF |
| 21.7.1968 | 24 h Spa | 28 | | Herrmann / Schüler | | 8th |
| 21.7.1968 | 24 h Spa | 31 | | Pesch / Zanders | | 4th |
| 21.7.1968 | 24 h Spa | 32 | | Kauhsen / Kelleners / Kremer | | 1st |
| 21.7.1968 | 24 h Spa | 35 | | Junguenet / Darniche | | 3rd |
| 21.7.1968 | Solituderennen Hockenheim [GT+TS] | 61 | | Reinhardt Stenzel | Alfa Romeo Hähn | 3rd |
| 21.7.1968 | Solituderennen Hockenheim [GT+TS] | 65 | | Rolf Fischer | Auto Lehmann Racing Team | DNA |
| 21.7.1968 | Solituderennen Hockenheim [GT+TS] | 85 | | Walter Lehmann | Autohaus Lehmann | DNA |
| 21.7.1968 | Trans-Am St. Jovite | | | Pete Harrison | | DNF |
| 21.7.1968 | Trans-Am St. Jovite | | | Gifford / Campbell | | 9th |
| 21.7.1968 | Trans-Am St. Jovite | | | Tony Adamowicz | | 5th |
| 21.7.1968 | Diepholz | | | Jürgen Kellers | | 4th |
| 21.7.1968 | Diepholz | | | Hans-Jürgen Kramer | | 3rd |
| 21.7.1968 | Trans-Am St. Jovite | | | Jacques Duval | | 7th |
| 21.7.1968 | Trans-Am St. Jovite | | | John Moore | | 11th |
| 21.7.1968 | Diepholz | | | Fritz Leinenweber | | 1st |
| 21.7.1968 | Trans-Am St. Jovite | | | Jennings / Bailey | | 8th |