| 3.8.1968 | Crystal Palace [S2.0] | | 906 | Mike de Udy | | raced |
| 4.8.1968 | SCCA National Grattan | 1 | 906 | John Weinberger | | 2nd |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 3 | | John Belperche | | 10th |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 3 | | John Belperche | | 9th |
| 4.8.1968 | Trans-Am Bryar | 7 | 911 | Tony Adamowicz | | 3rd |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 7 | 356 1300 | John Huber | | DNA |
| 4.8.1968 | SCCA National Riverside [ASR+BSR] | 9 | 718 RSK | Bill Obenour | Bill Obenour | DNA |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 11 | 904/6 | Milt Minter | Vasek Polak | raced |
| 4.8.1968 | SCCA National Riverside [CP+DP] | 11 | 911 S | Milt Minter | Vasek Polak | DNA |
| 4.8.1968 | Trans-Am Bryar | 14 | 911 | Bert Everett | Holbert's Garage, Inc. | 5th |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 14 | 904 | Charles Akly | Charles Akly | raced |
| 4.8.1968 | Trans-Am Bryar | 22 | 911 | Bailey / Locke | | 13th |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 33 | 356 | Harro Zitza | | DNA |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 33 | 356 | Harro Zitza | | 16th |
| 4.8.1968 | SCCA National Riverside [ASR+BSR] | 33 | 906 | Don Pike | Otto Zipper | 3rd |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 43 | 911 | Gregg Loomis | | DNA |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 43 | 911 | Gregg Loomis | | 13th |
| 4.8.1968 | Trans-Am Bryar | 59 | 911 | Peter Gregg | | 9th |
| 4.8.1968 | SCCA National Riverside [ASR+BSR] | 61 | 906 | Milt Minter | Vasek Polak | DNA |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 69 | 904 | Don Pike | Otto Zipper | raced |
| 4.8.1968 | Trans-Am Bryar | 73? | 911 | Opert / Grimaldi | Fred Opert | DQ |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 75 | | David Helmich | | 11th |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 86 | 911 | Wilbur Pickett | | 4th |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 86 | 911 | Wilbur Pickett | | DNA |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 155 | 911 | Lee Cutler | | DNF |
| 4.8.1968 | Trans-Am Bryar | | 911 | Gifford / Campbell | | 12th |
| 4.8.1968 | Trans-Am Bryar | | 911 | Pete Harrison | | 11th |
| 4.8.1968 | Trans-Am Bryar | | 911 | Meaney / Duclos | | DNF |
| 4.8.1968 | Trans-Am Bryar | | 911 | Wetanson / Jennings | | 8th |
| 10.8.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+AS] | 59 | 911 | Del Bolton | Del Bolton | DNA |
| 10.8.1968 | Birthday Cup Croft | | 906 | Chris Ashmore | Jeff Edmonds | 7th |
| 10.8.1968 | Birthday Cup Croft | | 906 | Terry Hunter | Mike de Udy | 8th |
| 10.8.1968 | Birthday Cup Croft | | 906 | Tony Dean | A. G. Dean (Racing) | DNF |
| 11.8.1968 | GP Swerige | 4 | 906 | Richard Broström | Sports Car Unlimited | 7th |
| 11.8.1968 | Fuji Champion | 6 | 906 | Mitsumasa Takano | | 1st |
| 11.8.1968 | GP Swerige | 8 | 910 | Ben Pon | Ben Pon | DNA |
| 11.8.1968 | Trans-Am Watkins Glen | 14 | 911 | Bert Everett | Holbert's Garage, Inc. | 6th |
| 11.8.1968 | SM Hockenheim [SP] | 18 | 906 | Hans Kühnis | | 3rd |
| 11.8.1968 | SM Hockenheim [SP] | 24 | 910 | Karl Foitek | | raced |
| 11.8.1968 | Trans-Am Watkins Glen | 73? | 911 | Opert / Grimaldi | Fred Opert | DNF |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Bruce Jennings | | DNF |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Bob Tullius | | 11th |
| 11.8.1968 | SM Hockenheim [SP] | | 910 | Siegfried Lang | | 2nd |
| 11.8.1968 | La Coruna | | 906 | Ben Heiderich | | 6th |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Tony Adamowicz | | 5th |
| 11.8.1968 | SM Hockenheim [SP] | | 910 | Jo Siffert | | 1st |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Gifford / Campbell | | DNF |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Jacques Duval | | DQ |
| 11.8.1968 | SM Hockenheim [SP] | | 906 | Siegfried Zwimpfer | | 4th |
| 11.8.1968 | Trans-Am Watkins Glen | | 911 | Pete Harrison | | 7th |
| 15.8.1968 | Coppa Citta di Enna | | 906 | "Black & White" | Scuderia Pegaso | 4th |
| 15.8.1968 | Coppa Citta di Enna | | 910 | Jo Siffert | Hart Ski Racing Team | 1st |
| 17.8.1968 | Gold Cup Oulton Park | 26 | 906 | John Morris | Opposite Lock Club Bimingham | 14th |
| 17.8.1968 | Gold Cup Oulton Park | 30 | 906 | Terry Hunter | Mike De'Udy | 12th |
| 17.8.1968 | Gold Cup Oulton Park | 31 | 906 | Edmonds / Ashmore | J. Edmonds | DNA |
| 17.8.1968 | Gold Cup Oulton Park | 32 | 906 | Tony Dean | A. G. Dean (Racing) Ltd. | DNF |
| 17.8.1968 | Gold Cup Oulton Park | 33 | 906 | Peter Mould | Peter Mould | DNA |
| 17.8.1968 | Gold Cup Oulton Park | 34 | 906 | William Bradley | Bill Bradley | 7th |
| 18.8.1968 | Wunstorf [SP2.0] | 5 | 906 | Peter Peter | Bosch Racing Team | 5th |
| 18.8.1968 | Wunstorf [SP2.0] | 8 | 906 | Gerold Pankl | | DNS |
| 18.8.1968 | Wunstorf [SP2.0] | 12 | 906 | Richard Broström | | 13th |
| 18.8.1968 | Wunstorf [SP2.0] | 14 | 910 | Gerhard Koch | | 4th |
| 18.8.1968 | Wunstorf [SP2.0] | 16 | 906 | Toine Hezemans | Ben Pon | 2nd |
| 18.8.1968 | USRRC Mid-Ohio | 17 | 906 | Merv Rosen | Dr. Merwin Rosen | DNF |
| 18.8.1968 | Wunstorf [SP2.0] | 18 | 910 | Hans-Dieter Dechent | Scuderia Lufthansa | 8th |
| 18.8.1968 | Wunstorf [SP2.0] | 21 | 906 | Günter Werlich | | 10th |
| 18.8.1968 | Wunstorf [SP2.0] | 26 | 906 | Helmut Marko | Bosch Racing Team | 7th |
| 18.8.1968 | USRRC Mid-Ohio | 69 | 906 | Mike Hall | E. L. Hall | 10th |
| 18.8.1968 | USRRC Mid-Ohio | 72 | 906 | Cliff Phillips | C. L. Phillips | DNA |
| 18.8.1968 | GP Brno | 73 | 356 C 1600 SC | Gajdoš / Čechmánek | ARC Brno | DNA |
| 18.8.1968 | GP Brno | 84 | 911 L | Kremer / Kelleners | Auto Kremer Racing Team | 1st |
| 18.8.1968 | GP Brno | 85 | 911 L | Pesch / Kremer | Auto Kremer Racing Team | 8th |
| 18.8.1968 | GP Brno | 86 | 911 L | Edouard Duvigneaud | Edouard Duvigneaud | 11th |
| 18.8.1968 | GP Brno | 88 | 911 | von Hohenzollern / Stenzel | Prinz F. v. Hohenzollern | 3rd |
| 18.8.1968 | GP Brno | 89 | 911 | Niki Lauda | Bosch Racing Team | DNA |
| 18.8.1968 | GP Brno | 90 | 911 | Pankl / Prinzhorn | P. Prinzhorn | 12th |
| 18.8.1968 | GP Brno | 91 | 911 | Brodner / Steinhaus | ASC 18 Wien | DNS |
| 18.8.1968 | GP Brno | 94 | 911 L | Neuhaus / Kelleners | Auto Kremer Racing Team | DNF |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | 911 T/R | Ernst Seiler | | 4th |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | | Willi Kauhsen | | DNF |
| 18.8.1968 | Cadwell Park | | 906 | John Morris | Mefco Racing | ?th |
| 18.8.1968 | Wunstorf [SP2.0] | | 910 | Alex Soler-Roig | | 3rd |
| 18.8.1968 | Wunstorf [SP2.0] | | 910 | Tony Dean | | 9th |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | 911 S | Hans-Jürgen Kramer | | 5th |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | 911 S | Fritz Leinenweber | | 1st |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | 911 T/R | Roland Bauer | | 3rd |
| 18.8.1968 | DARM Wunstorf [GT+1.3] | | 911 S | Ernst Kraus | | 2nd |
| 24.8.1968 | SCCA Regional Kent [CSR+DSR+CP+DP+BS+CS] | 10 | 911 | Milt Davis | | 1st |
| 24.8.1968 | Zandvoort [S/FL] | 21 | 356 B Super 90 | Jörgen Spat | Racing Team H.A.V. | 12th |
| 24.8.1968 | Zandvoort [S/FL] | 25 | 356 B Super 90 | Kees Kwinkelenberg | Racing Team H.A.V. | raced |
| 24.8.1968 | Zandvoort [S/FL] | 31 | 911 C | Carry Smit | Racing Team H.A.V. | 10th |
| 24.8.1968 | Zandvoort [S/FL] | 32 | 356 2000 GS Carrera | Arie Ruska | Arie Ruska | 4th |
| 24.8.1968 | SCCA Regional Kent [CSR+DSR+CP+DP+BS+CS] | 56 | 911 | Gary Wright | | 2nd |
| 24.8.1968 | SCCA Regional Kent [ASR+BSR+AP+BP+AS] | 57 | 906 | Monte Shelton | | 1st |
| 24.8.1968 | SCCA Regional Kent [CSR+DSR+CP+DP+BS+CS] | 67 | 911 | Don Zacharie | | 3rd |
| 25.8.1968 | 500 km Zeltweg | 1 | 908 Coupe | Jo Siffert | Porsche System Engineering Ltd. | 1st |
| 25.8.1968 | SCCA National Kent [CSR+DSR+CP+DP+BS+CS] | 7 | 911 S | Todd Webb | | 6th |
| 25.8.1968 | SCCA National Kent [CSR+DSR+CP+DP+BS+CS] | 56 | 911 | Gary Wright | | 9th |
| 25.8.1968 | Mainz-Finthen | | 910 | Georg Loos | | 2nd |
| 25.8.1968 | Mainz-Finthen | | 911 | Thomas Teves | | ?th |