| 25.8.1968 | SCCA National Blackhawk Farms | 1 | 906 | John Weinberger | | ?th |
| 25.8.1968 | 500 km Zeltweg | 1 | 908 Coupe | Jo Siffert | Porsche System Engineering Ltd. | 1st |
| 25.8.1968 | 500 km Zeltweg | 2 | 908 Coupe | Vic Elford | Porsche System Engineering Ltd. | 8th |
| 25.8.1968 | 500 km Zeltweg | 3 | 908 Coupe | Herrmann / Ahrens, Jr. | Porsche System Engineering Ltd. | 2nd |
| 25.8.1968 | 500 km Zeltweg | 4 | 908 Coupe | Neerpasch / Lins | Porsche System Engineering Ltd. | DNF |
| 25.8.1968 | Trans-Am Continental Divide | 7 | 911 | Tony Adamowicz | Milestone Racing | DNF |
| 25.8.1968 | 500 km Zeltweg | 9 | 910 | Steinemann / Spoerry | Hart Ski-Racing Team | 6th |
| 25.8.1968 | 500 km Zeltweg | 10 | 910 | Kauhsen / von Wendt | IGFA Racing Team | 5th |
| 25.8.1968 | 500 km Zeltweg | 11 | 910 | Bradley / Dean | Bill Bradley | DNF |
| 25.8.1968 | 500 km Zeltweg | 12 | 910 | Koch | Gerhard Koch | 7th |
| 25.8.1968 | Trans-Am Continental Divide | 14 | 911 | Bert Everett | Holbert's Garage, Inc. | 7th |
| 25.8.1968 | 500 km Zeltweg | 14 | 906 | Dechent / Jöst | Scuderia Lufthansa | 11th |
| 25.8.1968 | 500 km Zeltweg | 15 | 906 | Peter / Riedl | Peter Peter | 10th |
| 25.8.1968 | 500 km Zeltweg | 16 | 906 | Marko / Pankl | Bosch Racing Team | 9th |
| 25.8.1968 | Trans-Am Continental Divide | 21 | 911 | Pete Harrison | Holbert's Garage, Inc. | 5th |
| 25.8.1968 | Trans-Am Continental Divide | 22 | 911 | Bailey / Locke | B & B Motors, Ltd. | DNF |
| 25.8.1968 | All Japan Suzuka | 36 | 906 | Mitsumasa Takano | | DNF |
| 25.8.1968 | ETCC Zandvoort [Div.3] | 84 | 911 | Anton Keizer | Autosportcenter Keizer | DNA |
| 25.8.1968 | ETCC Zandvoort [Div.3] | 86 | 911 | Ben Pon | Ben Pon | DNF |
| 25.8.1968 | ETCC Zandvoort [Div.3] | 99 | 911 L | Edouard Duvigneaud | Edouard Duvigneaud | 8th |
| 25.8.1968 | Mainz-Finthen | | 911 | Bernd Schwebel | | ?th |
| 25.8.1968 | Mainz-Finthen | | 911 | Wolfram Doll | | ?th |
| 25.8.1968 | Trans-Am Continental Divide | | 911 | Fred Baker | | 4th |
| 25.8.1968 | Trans-Am Continental Divide | | 911 | Joe McClughan | | DNF |
| 25.8.1968 | Mainz-Finthen | | 910 | Georg Loos | | 2nd |
| 25.8.1968 | Mainz-Finthen | | 911 | Thomas Teves | | ?th |
| 25.8.1968 | Mainz-Finthen | | 911 T | Walter Lehmann | | ?th |
| 25.8.1968 | Mainz-Finthen | | 911 S | Hans-Dieter Weigel | | ?th |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 11 | 904/6 | Milt Minter | Vasek Polak | 1st |
| 1.9.1968 | SCCA Regional Santa Barbara [CP+DP] | 11 | 911 | Milt Minter | Vasek Polak | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 14 | 904 GTS | Charles Akly | Charles Akly | 2nd |
| 1.9.1968 | SCCA Regional Santa Barbara [ASR+BSR] | 14 | | Ed Wakeley | Dale Brent | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [ASR+BSR] | 33 | 906 | Scooter Patrick | Vasek Polak | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [CP+DP] | 51 | 911 S | Bruce Campbell | Bruce Campbell | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [ASR+BSR] | 61 | 906 | Milt Minter | Vasek Polak | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 69 | 904 GTS | Don Pike | Otto Zipper | DNA |
| 1.9.1968 | 500 km Nürburgring | 81 | 912 | Curt E. Geibel | Curt E. Geibel | DNF |
| 1.9.1968 | SM Skarpnäck [GT2.0] | | 911 S | Kjell Ehrman | | 4th |
| 1.9.1968 | SM Skarpnäck [GT2.0] | | 911 S | Sten Frohde | | 2nd |
| 1.9.1968 | SM Skarpnäck [GT2.0] | | 911 S | Lars Elgen | | 1st |
| 1.9.1968 | 6 h Surfers Paradise | | 911 S | Kahout / O'Sullivan / Sangster / Starcevich | F. Kahout | 4th |
| 2.9.1968 | Guards Brands Hatch | 130 | 906 | William Bradley | Bill Bradley | 13th |
| 2.9.1968 | Guards Brands Hatch | 131 | 906 | Tony Dean | A. G. Dean (Racing) Ltd. | 4th |
| 2.9.1968 | Guards Brands Hatch | 132 | 906 | Richard Broström | Sportscars Unlimited | 18th |
| 2.9.1968 | Guards Brands Hatch | 133 | 906 | Terry Hunter | Michael de 'Udy | DNF |
| 2.9.1968 | Guards Brands Hatch | 134 | 906 | Eric Liddell | Opposite Lock Club | DNF |
| 2.9.1968 | Guards Brands Hatch | 135 | 906 | Peter Mould | Peter Mould | DNA |
| 8.9.1968 | SCCA National Portland [AP+BP+CP+DP+AS] | 1 | 911 S | Alan Johnson | | 9th |
| 8.9.1968 | SCCA National Mid-Ohio | 1 | 906 | John Weinberger | | ?th |
| 8.9.1968 | SCCA National Portland [AP+BP+CP+DP+AS] | 2A | 911 S | Milt Minter | | DNF |
| 8.9.1968 | SCCA National Portland [ASR+BSR+CSR] | 4 | 906 | Lew Florence | | DNF |
| 8.9.1968 | Trans-Am Riverside | 7 | 911 | Tony Adamowicz | | DNF |
| 8.9.1968 | SCCA Regional Portland | 7 | Special | Jim Helton | | DNA |
| 8.9.1968 | SCCA National Portland [AP+BP+CP+DP+AS] | 10 | 911 | Milt Davis | | 4th |
| 8.9.1968 | SCCA Regional Portland | 10 | 911 | Milt Davis | | DNA |
| 8.9.1968 | Trans-Am Riverside | 14 | 911 | Bert Everett | Holbert's Garage, Inc. | DNF |
| 8.9.1968 | Trans-Am Riverside | 20 | 911 | Fred Baker | | 6th |
| 8.9.1968 | Trans-Am Riverside | 21 | 911 | Pete Harrison | | 12th |
| 8.9.1968 | Trans-Am Riverside | 22 | 911 | Bob Bailey | | 22nd |
| 8.9.1968 | Alcaniz | 29 | 906 | Ben Heiderich | | 1st |
| 8.9.1968 | SCCA National Portland [ASR+BSR+CSR] | 33 | 906 | Scooter Patrick | | DNA |
| 8.9.1968 | Trans-Am Riverside | 36 | 911 | Wilbur Pickett | | 11th |
| 8.9.1968 | SCCA Regional Portland | 57 | 906 | Monte Shelton | | 1st |
| 8.9.1968 | SCCA National Portland [ASR+BSR+CSR] | 57 | 906 | Monte Shelton | | 3rd |
| 8.9.1968 | SCCA National Portland [ASR+BSR+CSR] | 69 | 910 H | Don Pike | | DNA |
| 8.9.1968 | Trans-Am Riverside | 71 | 911 | Bruce O'Neil | | 15th |
| 8.9.1968 | SCCA National Portland [AP+BP+CP+DP+AS] | 79 | 911 S | Todd Webb | | 3rd |
| 8.9.1968 | SCCA Regional Portland | 79 | 911 S | Todd Webb | | DNA |
| 8.9.1968 | Ulm-Laupheim [SRP] | 189 | 907 | Hans-Dieter Dechent | | DNS |
| 8.9.1968 | Coupes de l'ACIF | | 911 S | Robert Dutoit | | 4th |
| 8.9.1968 | Coupes de l'ACIF | | 911 | Robert Buchet | | 3rd |
| 8.9.1968 | Coupes de l'ACIF | | 911 S | Sylvain Garant | | 5th |
| 8.9.1968 | 3 h Jarama | | 906 | Richard Broström | | ?th |
| 8.9.1968 | Ulm-Laupheim [SRP] | | 906 | Reinhold Jöst | | DNS |
| 8.9.1968 | Coupes de l'ACIF | | | Fritz Leinenweber | | 2nd |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 S | Rolf Göring | | ?th |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 T | Ferfried von Hohenzollern | | 3rd |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 T | Ernst Kraus | | 2nd |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 T/R | Ernst Seiler | | ?th |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 S | Günther Bühl | | ?th |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 S | Rolf Lieb | | ?th |
| 8.9.1968 | DARM Ulm-Laupheim [GT+1.6/TS+1.6] | | 911 T | Heinz Lange | | DNF |
| 8.9.1968 | DARM Ulm-Laupheim [GT1.6/T1.6/TS1.6] | | 912 | Adolf Held | | ?th |
| 8.9.1968 | Zolder | | 911 S | Hans-Jürgen Kramer | | 3rd |
| 8.9.1968 | Zolder | | 911 T | Helmut Kelleners | | 1st |
| 8.9.1968 | Zolder | | 911 S | Hans-Dieter Weigel | | 2nd |
| 14.9.1968 | Oulton Park | | 906 | Alan McKay | | 3rd |
| 15.9.1968 | Preis der Nationen Hockenheim | 1 | 908 Coupe | Hans Herrmann | Porsche System | 1st |
| 15.9.1968 | Preis der Nationen Hockenheim | 5 | 907 | Hans-Dieter Dechent | | 6th |
| 15.9.1968 | Preis der Nationen Hockenheim | 10 | 910 | Jo Siffert | | 5th |
| 15.9.1968 | Preis der Nationen Hockenheim | 11 | 910 | Siegfried Lang | | 9th |
| 15.9.1968 | Preis der Nationen Hockenheim | 12 | 910 | Gerhard Koch | | 8th |
| 15.9.1968 | Phoenix Park | 12 | 906 | William Bradley | | 1st |
| 15.9.1968 | Preis der Nationen Hockenheim | 14 | 910 | Karl von Wendt | | DNF |
| 15.9.1968 | Preis der Nationen Hockenheim | 16 | 910 | Rico Steinemann | | 10th |
| 15.9.1968 | Preis der Nationen Hockenheim | 17 | 906 | Terry Hunter | Mike de Udy | DNF |
| 15.9.1968 | Preis der Nationen Hockenheim | 24 | 906 | Gerold Pankl | | NC |
| 15.9.1968 | Preis der Nationen Hockenheim | 25 | 906 | Peter Peter | | DNS |
| 15.9.1968 | Preis der Nationen Hockenheim | 26 | 906 | Reinhold Jöst | | DNF |
| 15.9.1968 | SCCA National Mid America | | 906 E | Fred Baker | | 1st |