| 13.5.1973 | Euro GT GP Paris | 1 | 911 Carrera RSR | John Fitzpatrick | Porsche Kremer Racing Team | DNF |
| 13.5.1973 | Targa Florio | 1 | 908/03 | Haldi / Chenevière | Porsche Club Romand | DNS |
| 13.5.1973 | Euro GT GP Paris | 4 | 911 Carrera RSR | Pierre Greub | Greub | DNA |
| 13.5.1973 | Euro GT GP Paris | 5 | 911 Carrera RSR | Paul Keller | Porsche Kremer Racing Team | DNF |
| 13.5.1973 | Euro GT GP Paris | 6 | 911 Carrera RS 2.7 | William Vollery | Club Porsche Romand | 8th |
| 13.5.1973 | Euro GT GP Paris | 7 | 911 Carrera RSR 2.8 | Claude Ballot-Léna | Ballot-Lena | 1st |
| 13.5.1973 | Targa Florio | 8 | 911 Carrera RSR 2.8 | Müller / van Lennep | Martini Racing | 1st |
| 13.5.1973 | Euro GT GP Paris | 9 | 914/6 | Eckhard Schimpf | Eckhard Schimpf | DNA |
| 13.5.1973 | Targa Florio | 9 | 911 Carrera RSR 2.8 | Kinnunen / Haldi | Martini Racing | 3rd |
| 13.5.1973 | Euro GT GP Paris | 10 | 914/6 | Werner Christmann | Werner Christmann | DNA |
| 13.5.1973 | Euro GT GP Paris | 11 | 911 Carrera RSR | Roland Larsson | Team Kubero Racing | DNA |
| 13.5.1973 | Euro GT GP Paris | 17 | 911 Carrera RS 2.7 | John Rulon-Miller | M.H.S.T.C. e V | 7th |
| 13.5.1973 | Euro GT GP Paris | 19 | 911 Carrera RSR 2.8 | Ennio Bonomelli | Scuderia Brescia Corse | 3rd |
| 13.5.1973 | Euro GT GP Paris | 20 | 911 S | | Porsche Club Romand | 10th |
| 13.5.1973 | Euro GT GP Paris | 21 | 911 Carrera RSR | Martin Birrane | Crowne Racing Ltd. | DNA |
| 13.5.1973 | Euro GT GP Paris | 22 | 911 ST | Guy Gentis | Guy Gentis | 5th |
| 13.5.1973 | Euro GT GP Paris | 24 | 911 S | Dominique Bardini | "Bardini" | DNA |
| 13.5.1973 | Euro GT GP Paris | 25 | 911 Carrera RSR | Helmut Henzler | Helmut Henzler | 4th |
| 13.5.1973 | Euro GT GP Paris | 26 | 911 S | Jean-Claude Guérie | Shark Team | raced |
| 13.5.1973 | Euro GT GP Paris | 27 | 911 Carrera RSR 2.8 | Charles Geeraerts | Charles Geeraerts | DNA |
| 13.5.1973 | Euro GT GP Paris | 30 | 911 S | Hans Hargarten | Hans Hargarten | DNA |
| 13.5.1973 | Targa Florio | 106 | 911 Carrera RSR | Borri / Barone | Scuderia Brescia Corse | 7th |
| 13.5.1973 | Targa Florio | 107T | 911 Carrera RSR | Steckkönig / Pucci | Martini Racing | 6th |
| 13.5.1973 | Targa Florio | 110 | 911 Carrera RS | Hedges / Margulies | Comstock Racing | 18th |
| 13.5.1973 | Targa Florio | 111 | 911 | Radicella / Micangeli | Mario Radicella | DNF |
| 13.5.1973 | Targa Florio | 126 | 911 S | Maione / Vigneri | Scuderia Pegaso | DNF |
| 13.5.1973 | Targa Florio | 131 | 911 T | Runfola / Benvenuti | Vittorio Benvenuti | DNF |
| 13.5.1973 | Euro GT GP Paris | | | | | raced |
| 13.5.1973 | Euro GT GP Paris | | | | | raced |
| 13.5.1973 | Euro GT GP Paris | | | | | raced |
| 13.5.1973 | Avus [GT] | | 911 | Gerd-Heinz Meyer | Gerd Meyer | 5th |
| 13.5.1973 | Avus [GT] | | 911 T | Klaus Herig | vcb Berlin | ?th |
| 13.5.1973 | Avus [GT] | | 911 Carrera RSR 2.8 | Eugen Kiemele | Eugen Kiemele | 1st |
| 13.5.1973 | Avus [GT] | | 914/6 | Dieter Bohnhorst | Dieter Bohnhorst | 3rd |
| 13.5.1973 | Avus [GT] | | 911 S | Wilfried Schmitz | Wilfried Schmitz | ?th |
| 20.5.1973 | Interserie Silverstone | 1 | 917/10 TC | Leo Kinnunen | Motorsport-Club Stuttgart/Racing Team AAW | 1st |
| 20.5.1973 | Interserie Silverstone | 2 | 917/10 TC | Willi Kauhsen | Willi Kauhsen Racing Team | 2nd |
| 20.5.1973 | Interserie Silverstone | 5 | 917/10 | Ernst Kraus | Boeri Helmets Racing Team | 4th |
| 20.5.1973 | Interserie Silverstone | 6 | 917/10 TC | Georg Loos | Gelo Racing Team | 3rd |
| 20.5.1973 | Interserie Silverstone | 11 | 917/10 | Günter Steckkönig | Willi Kauhsen Racing Team | 6th |
| 20.5.1973 | Interserie Silverstone | 16 | 917/10 TC | Charlie Kemp | Rinzler Motoracing Inc. | DNA |
| 20.5.1973 | Interserie Silverstone | 44 | 917 Spyder | Albert Pfuhl | Albert Pfuhl | DNA |
| 20.5.1973 | NTK Zandvoort | 81 | 911 Carrera RSR | Nico Chiotakis | Team 4711 Sir Irish Moss | 1st |
| 20.5.1973 | La Châtre [S] | 96 | 910 | Jacques Crubile | Crubile | 6th |
| 20.5.1973 | La Châtre [S] | 107 | 906 | Robert Fevrier | Fevrier | 7th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 200 | 914/6 | Horst Godel | sixtant-Racing Team | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 201 | 911 T | Alfred Kunze | Alfred Kunze | DNA |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 202 | 914/6 | Eckhard Schimpf | Jägermeister-Racing Team | 14th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 203 | 911 T | Peter Ehlert | Sixtant-Racing Team | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 204 | 911 T | Dieter Franke | Dieter Franke | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 205 | 911 T | Harald Grohs | Harald Grohs | DNF |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 206 | 914/6 | Lothar Ohren | Lothar Ohren | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 207 | 914/6 | Robert Frostrom | Robert J. Frostrom | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 208 | 911 T | Manfred Sommer | Manfred Sommer | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 209 | 911 T | Horst Klauke | Braun-Sixtand R.T. | DNA |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 210 | 914/6 | Hans Stähli | FRC Zürich | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 211 | 911 S | Walter aus der Au | Mascotte Racing Team | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 212 | 911 Carrera RSR | Karl-Heinz Jacoby | Vorhangschienen M. Weiss | DNA |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 213 | 911 S | Horst Kloft | Horst Kloft | 3rd |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 214 | 911 Carrera RSR | John Russel | John K. Russell | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 215 | 911 S | Heinz-Jörgen Dahmen | Heinz-Jörg Dahmen | DNA |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 217 | 911 Carrera RS | Hermann Schaffert | FRC Zürich | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 218 | 911 Carrera | Ernst Brühweiler | Ecurie Basilisk | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 220 | 911 S | Max Müller | FRC Zürich | 7th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 221 | 911 Carrera RS | Jean von Kaenel | FRC Zürich | ?th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 222 | 911 S | Heinz Grieder | FRC Zürich | 5th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 223 | 911 Carrera RSR 2.8 | Peter Bernhard | Peter Bernhard | 6th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 224 | 911 Carrera RSR 2.8 | Karl Foitek | Karl Foitek | DNA |
| 20.5.1973 | La Châtre [GT] | | 911 Carrera RS | Gérard Pirès | | 2nd |
| 20.5.1973 | La Châtre [GT] | | 911 S | Jean-Louis Chateau | | 1st |
| 20.5.1973 | SM Hockenheim [Sports] | | 908 | Peter Peters | | 10th |
| 20.5.1973 | DARM Salzburgring | | 911 S | Willy Rabl | Wilhelm Rabl | ?th |
| 20.5.1973 | DARM Salzburgring | | 911 T | Peter Paradeiser | Peter Paradeiser | ?th |
| 20.5.1973 | DARM Salzburgring | | 911 S | Hans Hargarten | Hans Hargarten | ?th |
| 20.5.1973 | DARM Salzburgring | | 911 T | Alfred Kunze | Alfred Kunze | ?th |
| 20.5.1973 | DARM Salzburgring | | 914/6 | Edgar Dören | Bergischer Motorclub | ?th |
| 20.5.1973 | DARM Salzburgring | | 911 Carrera RSR 2.8 | Eugen Kiemele | Eugen Kiemele | 1st |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | | 911 Carrera | Theo Hofer | | 2nd |
| 20.5.1973 | DARM Salzburgring | | 911 S | Thomas Datzmann | Thomas Datzmann | 3rd |
| 20.5.1973 | DARM Salzburgring | | 911 Carrera | Heinz-Otto Raufer | Porsche-Club, Nürnberg | 4th |
| 20.5.1973 | DARM Salzburgring | | 911 S | Helmut Königsdorff | Helmut Köningsdorff | 5th |
| 20.5.1973 | DARM Salzburgring | | 911 Carrera RSR 2.8 | Eberhard Sindel | Rallyegemeinschaft Ulm | 2nd |
| 27.5.1973 | 1000 km Nürburgring | 3 | 908/03 | Haldi / Chenevière | Porsche Club Romand | 4th |
| 27.5.1973 | Coppa AGIP Monza [GT+1.6] | 3 | 911 Carrera RSR 2.8 | Ennio Bonomelli | Ennio Bonomelli | 1st |
| 27.5.1973 | 1000 km Nürburgring | 7 | 910 | Greger / Hild | Vereinigung Süddeutscher Automobilsportler | DNA |
| 27.5.1973 | Dalsland [T+1.3/GT3.0] | 17 | 911 | Kenneth Leim | Team Blå | DNA |
| 27.5.1973 | 1000 km Nürburgring | 49 | 911 Carrera RSR | Fischhaber / von Bayern | Toni Fischhaber | 14th |
| 27.5.1973 | 1000 km Nürburgring | 50 | 911 Carrera RSR | Ekberg / Simonsen / Larsson | Team Kubero Racing | 15th |
| 27.5.1973 | 1000 km Nürburgring | 52 | 911 Carrera RSR 2.8 | Sindel / Siegle | Team Europa-Möbel | 16th |
| 27.5.1973 | 1000 km Nürburgring | 55 | 911 Carrera RSR | Keller / Schickentanz / Neuhaus | Porsche Kremer Racing Team | 11th |
| 27.5.1973 | 1000 km Nürburgring | 58 | 911 Carrera RSR 2.8 | Steckkönig / Fritzinger | M. Weissmann, Vorhangschienen-Fabrik | DNS |
| 27.5.1973 | 1000 km Nürburgring | 59 | 911 Carrera RSR | Barth / Loos | Gelo Racing Team | 13th |
| 27.5.1973 | 1000 km Nürburgring | 63 | 914/6 | Greger / Hild | Vereinigung Süddeutscher Automobilsportler | DNA |
| 27.5.1973 | Coppa AGIP Monza [GT+1.6] | | 911 Carrera RS | Borri | | 3rd |
| 27.5.1973 | Croix-en-Ternois [GT] | | 911 S | Kirschoffer | | 4th |
| 27.5.1973 | Coppa AGIP Monza [GT+1.6] | | 911 ST | Capra | | 6th |
| 27.5.1973 | Coppa AGIP Monza [GT+1.6] | | 911 S | Rovida | | 7th |
| 27.5.1973 | Croix-en-Ternois [ser.GT] | | 911 S | Méo | | 2nd |
| 27.5.1973 | Croix-en-Ternois [GT] | | 911 S | Chateau | | 1st |
| 27.5.1973 | Croix-en-Ternois [GT] | | 911 Carrera RS | Pirès | | 2nd |