| 26.8.1973 | Can-Am Road America | 0 | 917/10 TC | Jody Scheckter | Vasek Polak Racing, Inc. | 2nd |
| 26.8.1973 | Can-Am Road America | 3 | 917/10 | Steve Durst | Vasek Polak Racing, Inc. | DNS |
| 26.8.1973 | Euro GT Hockenheim | 3 | 911 Carrera RSR | John Fitzpatrick | Porsche Kremer Racing Team | DNA |
| 26.8.1973 | Can-Am Road America | 4 | 917/10 TC | Hans Wiedmer | Hans Wiedmer | DNA |
| 26.8.1973 | Euro GT Hockenheim | 5 | 911 Carrera RSR | Martin Birrane | Crowne Racing Ltd. | DNA |
| 26.8.1973 | Can-Am Road America | 5 | 917/10 TC | Willi Kauhsen | Willi Kauhsen Racing Team | DNA |
| 26.8.1973 | Euro GT Hockenheim | 6 | 911 Carrera RSR | Paul Keller | Porsche Kremer Racing Team | DNF |
| 26.8.1973 | Can-Am Road America | 6 | 917/30 TC | Mark Donohue | Penske Racing, Inc. | 1st |
| 26.8.1973 | Can-Am Road America | 7 | 917/30 TC | | Penske Racing, Inc. | DNA |
| 26.8.1973 | Euro GT Hockenheim | 9 | 911 Carrera RSR | Roland Larsson | Roland Larsson | DNA |
| 26.8.1973 | Euro GT Hockenheim | 12 | 911 Carrera | John Rulon-Miller | Gante Racing | DNA |
| 26.8.1973 | Euro GT Hockenheim | 14 | 911 Carrera RSR | William Vollery | Porsche Club Romand | 16th |
| 26.8.1973 | Euro GT Hockenheim | 15 | 911 Carrera RSR | Bernard Chenevière | Bernard Chenevière | DNA |
| 26.8.1973 | Euro GT Hockenheim | 16 | 911 Carrera RSR 2.8 | Fredy Lienhard | Lista Racing Team | DNA |
| 26.8.1973 | Can-Am Road America | 16 | 917/10 TC | George Follmer | Rinzler Motoracing Royal Crown | 3rd |
| 26.8.1973 | Euro GT Hockenheim | 18 | 911 Carrera RS | André Stuckelberger | Ecurie 13 Etoiles | NC |
| 26.8.1973 | Euro GT Hockenheim | 22 | 911 Carrera RSR 2.8 | Günter Steckkönig | Manfred Weissmann | DNF |
| 26.8.1973 | Euro GT Hockenheim | 23 | 911 Carrera RSR | Reinhardt Stenzel | Reinhardt Stenzel | DNF |
| 26.8.1973 | Can-Am Road America | 23 | 917/10 TC | Charlie Kemp | Rinzler Motoracing Royal Crown | DNF |
| 26.8.1973 | Euro GT Hockenheim | 24 | 911 Carrera RSR 2.8 | Eberhard Sindel | Rallyegemeinschaft, Ulm | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 24 | 911 Carrera RSR 2.8 | Eberhard Sindel | Rallyegemeinschaft Ulm | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 25 | 911 Carrera RSR 2.8 | Richard Leder | Team Firestone | DNA |
| 26.8.1973 | Euro GT Hockenheim | 26 | 911 Carrera RSR 2.8 | Eugen Kiemele | Eugen Kiemele | 14th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 48 | 911 Carrera RSR 2.8 | Claude Haldi | Porsche Club Romand | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 49 | 911 Carrera | Hermann Schaffert | F. R. C. | DNA |
| 26.8.1973 | Euro GT Hockenheim | 49 | 911 Carrera RS | Hermann Schaffert | F.R.C. | 19th |
| 26.8.1973 | Euro GT Hockenheim | 50 | 911 Carrera RSR 2.8 | Peter Bernhard | Peter Bernhard | DNF |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 50 | 911 Carrera RSR 2.8 | Peter Bernhard | Peter Bernhard | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 51 | 911 Carrera | Kurt Peter | Kurt Peter | ?th |
| 26.8.1973 | Euro GT Hockenheim | 51 | 911 Carrera | Kurt Peter | Kurt Peter | 13th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 52 | 911 Carrera | Markus Hotz | Lista Racing Team | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 53 | 911 Carrera | Edy Brandenberger | Scuderia Basilea | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 54 | 911 Carrera RS | Edi Kofel | Mascotte Racing Team | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 55 | 911 Carrera | Jürgen Krzikalla | Jürgen Krzikalla | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 56 | 911 Carrera RSR | Josef Brambring | Porsche Kremer Racing Team | DNF |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 57 | 911 Carrera RSR 2.8 | Theo Hofer | Lista Racing Team | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 58 | 911 S | Charly Schirmer | F. R. C. | ?th |
| 26.8.1973 | Can-Am Road America | 59 | 917/10 TC | Hurley Haywood | Brumos Porsche Audi | DNF |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 59 | 911 S | Harry Blumer | Gulf Racing Team | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 60 | 911 S | Max Müller | F. R. C. | DNF |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 61 | 911 S | Heinz Grieder | Heinz Rieder | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 70 | 911 | Dieter Franke | Sixtant Racing Team | DNA |
| 26.8.1973 | Euro GT Hockenheim | 70 | 911 | Dieter Franke | Sixtant Racing Team | DNF |
| 26.8.1973 | Euro GT Hockenheim | 71 | 911 S | Jean-Marc Guignard | Bricolens Interacing Switzerland | 20th |
| 26.8.1973 | Euro GT Hockenheim | 72 | 911 S | Hans Hargarten | Hans Hargarten | 17th |
| 26.8.1973 | Euro GT Hockenheim | 73 | 914/6 | Albrecht Schütz | Autohaus Max Moritz GmbH | 18th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 74 | 914/6 | Hans Stähli | F. R. C. | ?th |
| 26.8.1973 | Euro GT Hockenheim | 74 | 914/6 | Hans Stähli | F.R.C. | 21st |
| 26.8.1973 | Euro GT Hockenheim | 75 | 914/6 | Emilio Pegger | Emilio Pegger | NC |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 75 | 914/6 | Emilio Pegger | Emilio Pegger | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 77 | 911 S | Walter aus der Au | Mascotte Racing Team | DNF |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 78 | 914/6 | Walter Bauer | Autohaus Max Moritz GmbH | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 79 | 911 | Reinhold Ernst | Reinhold Ernst | DNA |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 80 | 914/6 | "Ronald Knudel" | MHSTC | ?th |
| 26.8.1973 | DRM Hockenheim Preis der Nationen | 81 | 914/6 | Hermann Schlüter | Hans-Hermann Schlüter | DNA |
| 26.8.1973 | Zolder [GT/S] | 145 | 911 Carrera | Eckard Babendererde | Eckard Babendererde | ?th |
| 26.8.1973 | Zolder [GT/S] | 146 | 911 Carrera RS | Heinz Blind | Heinz Blind | ?th |
| 26.8.1973 | Zolder [GT/S] | 147 | 911 Carrera RS | Hans Halfmann | Hans Halfmann | DNF |
| 26.8.1973 | Zolder [GT/S] | 148 | 911 Carrera RS | Klaus Herig | Vereinigung Berliner Automobilsportler e.V. | ?th |
| 26.8.1973 | Zolder [GT/S] | 149 | 911 T | Bernd Renneisen | Bernd Brenneisen | ?th |
| 26.8.1973 | Zolder [GT/S] | 150 | 911 Carrera RS | Rolf Rosenkranz | Rolf Rosenkranz | ?th |
| 26.8.1973 | Zolder [GT/S] | 151 | 911 SC | Werner Runkel | Motorsportclub Scuderia Gedem e. V. im ADAC | ?th |
| 26.8.1973 | Zolder [GT/S] | 152 | 911 S | Ernst Zupp | | DNA |
| 26.8.1973 | SM Hockenheim [SRP] | 262 | 917 Spyder | Albert Pfuhl | Auto-Fox-Racing | DNA |
| 26.8.1973 | Zolder [GT/S] | | 911 SC | Hartmut Jacques | Hartmut Jacques | DNF |
| 26.8.1973 | Zolder [GT/S] | | 914/6 | Hubert Schlieckmann | H. Schlieckmann | DNF |
| 26.8.1973 | Zolder [GT/S] | | 911 S | Holger Zeller | Holger Zeller | ?th |
| 26.8.1973 | Zolder [GT/S] | | 911 S | Karl Heinz Schramm | K. H. Schramm | ?th |
| 26.8.1973 | Zandvoort [GT/T] | | 911 Carrera RSR | Nico Chiotakis | | 1st |
| 26.8.1973 | Zandvoort [GT/T] | | | Kallmann | | ?th |
| 26.8.1973 | Zandvoort [GT/T] | | | Norbert van Hoffel | | 5th |
| 2.9.1973 | Knutstorp [S] | 1 | 907 Spyder | Sten Hillgard | Hillgard Porsche Racing | 2nd |
| 2.9.1973 | Knutstorp [T/GT+1.3] | 5 | 911 Carrera RSR | Jan Lundgårdh | Team Castrol | 2nd |
| 2.9.1973 | DRM Nürburgring 500 | 9 | 911 Carrera RSR 2.8 | Günter Steckkönig | Manfred Weißmann, Vorhangschienen | 3rd |
| 2.9.1973 | DRM Nürburgring 500 | 10 | 911 S | Max Müller | Formel-Rennsport-Club der Schweiz | DNA |
| 2.9.1973 | 6 h Monza | 11 | 911 Carrera RSR | Schickentanz / Kremer / Keller | Porsche Kremer Racing | 1st |
| 2.9.1973 | DRM Nürburgring 500 | 11 | 911 S | Rolf Neff | Rolf Neff | DNA |
| 2.9.1973 | 6 h Monza | 12 | 911 Carrera RSR | Keller / Schickentanz / Neuhaus | Porsche Kremer Racing | 2nd |
| 2.9.1973 | Knutstorp [T/GT+1.3] | 13 | | Lennart Winkvist | Team Castrol | DNA |
| 2.9.1973 | Knutstorp [S] | 13 | 911 Carrera RSR | Yngve Johansson | | 9th |
| 2.9.1973 | 6 h Monza | 14 | 911 Carrera RSR 2.8 | Bonomelli / Fischhaber | | 6th |
| 2.9.1973 | 6 h Monza | 15 | 911 Carrera RSR 2.8 | Haldi / Chenevière | Porsche Club Romand | DNF |
| 2.9.1973 | DRM Nürburgring 500 | 17 | 911 TC | Horst Sasse | HRT Helligenhaus | 18th |
| 2.9.1973 | DRM Nürburgring 500 | 18 | 911 Carrera RS | Josef Brambring | Josef Brambring | DNA |
| 2.9.1973 | DRM Nürburgring 500 | 19 | 911 Carrera RSR 2.8 | Jürgen Konrad | Jürgen Konrad | 10th |
| 2.9.1973 | DRM Nürburgring 500 | 20 | 911 Carrera RS | Karl-Josef Römer | Karl-Josef Römer | 19th |
| 2.9.1973 | DRM Nürburgring 500 | 21 | 911 T | Alfred Stenpass | Alfred Stenpass | 21st |
| 2.9.1973 | 6 h Monza | 23 | 911 Carrera RSR 2.8 | Ballot-Léna / Geeraerts | Sonauto | 5th |
| 2.9.1973 | 6 h Monza | 36 | 911 S | "Pooky" / "Tambauto" | | 8th |
| 2.9.1973 | 6 h Monza | 37 | 911 Carrera RSR | Zbinden / Vollery | Porsche Club Romand | 7th |
| 2.9.1973 | 6 h Monza | 38 | 911 S | Guignard / Pillon | | 9th |
| 2.9.1973 | 500 km Nürburgring | 41 | 906 | Manfred Pade | Manfred Pade | DNF |
| 2.9.1973 | 500 km Nürburgring | 71 | 911 ST | Girolamo Capra | Scuderia Palladio Vicenza | DNA |
| 2.9.1973 | 500 km Nürburgring | 72 | 911 | Dieter Franke | Braun Sixtant Racing Team | DNF |
| 2.9.1973 | 500 km Nürburgring | 73 | 911 | Peter Kuhlmann | Peter Kuhlmann | DNF |
| 2.9.1973 | 500 km Nürburgring | 74 | 914/6 | Werner Christmann | Hubert Engbert Ölde | 13th |
| 2.9.1973 | 6 h Monza | | 911 Carrera RSR 2.8 | Peter / Bernhard | | raced |
| 2.9.1973 | DRM Nürburgring 500 | | 911 S | Hans Hargarten | | 14th |
| 2.9.1973 | 6 h Monza | | 911 Carrera RSR 2.8 | Barth / Loos | | raced |
| 2.9.1973 | 6 h Monza | | 911 Carrera RSR | Schön / Borri | | 4th |