| 5.7.1970 | Hill Climb Trento-Bondone | 172 | 911 SM | Mario Ilotte | | DNA |
| 11.7.1970 | 6 h Watkins Glen | 1 | 917 K | Siffert / Redman | J. W. Automotive Engineering, Ltd. | 2nd |
| 11.7.1970 | 6 h Watkins Glen | 2 | 917 K | Rodriguez / Kinnunen | J. W. Automotive Engineering, Ltd. | 1st |
| 11.7.1970 | 6 h Watkins Glen | 6 | 917 K | Siffert / Kinnunen / Rodriguez | J. W. Automotive Engineering | T-car |
| 11.7.1970 | 6 h Watkins Glen | 8 | 908/02 | Dean / Revson | A. G. Dean | DNF |
| 11.7.1970 | Interserie Croft | 18 | 908/02 | Reine Wisell | Richard Brostrom/Sports Cars, Switzerland | DNA |
| 11.7.1970 | Interserie Croft | 19 | 908/02 | Niki Lauda | Bosch Racing Team | DNA |
| 11.7.1970 | Interserie Croft | 20 | 908/02 K Flunder | Helmut Leuze | Asahi Pentax Racing Team | DNA |
| 11.7.1970 | Interserie Croft | 22 | 917 K | Jürgen Neuhaus | Gesipa Racing Team | 2nd |
| 11.7.1970 | 6 h Watkins Glen | 30 | 911 | Netterstrom / Bailey | Jim Netterstrom | DNA |
| 11.7.1970 | 6 h Watkins Glen | 31 | 917 K | Elford / Hulme | Porsche Audi Division | 4th |
| 11.7.1970 | 6 h Watkins Glen | 32 | 917 K | Attwood / Ahrens, Jr. | Porsche Audi Division | 6th |
| 11.7.1970 | 6 h Watkins Glen | 35 | 917 K | van Lennep / Larrousse | International Martini & Rossi Racing Team | 9th |
| 11.7.1970 | 6 h Watkins Glen | 36 | 908/02 K Flunder | Marko / Lins | International Martini & Rossi Racing Team | 7th |
| 11.7.1970 | 6 h Watkins Glen | 37 | 911 T/R | Duval / Nicholas | Sunoco | DNF |
| 11.7.1970 | 6 h Watkins Glen | 39 | 906 | Brezinka / Petermann / Bartling | Rainer Brezinka | 15th |
| 11.7.1970 | 6 h Watkins Glen | 52 | 906 | Rosen / Jacobs | Volkswagen North Central | 11th |
| 11.7.1970 | 6 h Watkins Glen | 53 | 906 | Wise / Frank | Nationwide Food Brokers Racing Team | 12th |
| 11.7.1970 | 6 h Watkins Glen | 70 | 911 T | Wicky / Garant | Silvain Francois Garant | 18th |
| 11.7.1970 | 6 h Watkins Glen | 77 | 911 T | Tullius / Jennings | Toad Hall Racing | 13th |
| 11.7.1970 | 6 h Watkins Glen | 84 | 911 S | Wright / Grant | Ralph Meaney, Inc. | 16th |
| 11.7.1970 | 6 h Watkins Glen | 94 | 914/6 | Meaney / Behr | Ralph Meaney, Inc. | 20th |
| 11.7.1970 | Interserie Croft | | 917 K | David Piper | | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 1 | 917 K | Jo Siffert | J. W. Automotive Engineering, Ltd. | 2nd |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 2 | 904 GTS | Gerry Gregory | Gregory Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 2 | 912 | Len Schenkel | Hole-In-Wall Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 2 | 911 | Rob McFarlin | Rob McFarlin | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 2 | 917 K | Pedro Rodriguez | J. W. Automotive Engineering, Ltd. | DNF |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 4 | 911 | Wellington | Rennsport Werke | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 6 | 356 | Forrest Young | Dr. Forest Young | DNA |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 6 | 904 GTS | Dick Barbour | Barbour Porsche | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 6 | 917 K | Brian Redman | J. W. Automotive Engineering, Ltd. | 7th |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 7 | 356 | Jim Kilpatrick | Wm.Hogue | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 8 | 908/02 | Tony Dean | A. G. Dean | 16th |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 9 | | Barry Rasmussen | Barbour Porsche | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 11 | | Charles Forge | Grahams Auto Body | DNA |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 11 | 906 | Milt Minter | Vasek Polak | DNA |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 12 | 914/6 | Alan Johnson | R. Ginther Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 15 | 356 Speedster | Walter Benson | Views Land Co. | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 20 | | Robert Kirby | Bursch Tuned Exhaust | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 21 | | Bob Tucknott | Elgin's Mach. Shop | DNA |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 24 | 914 | | R. Ginther Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 30 | | Dwight Mitchell | Reitmeirs Werkst | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 31 | 917 K | Vic Elford | Porsche Audi Division | 4th |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 31 | Speedster | Werner Brandt | Carlson VW | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 32 | 917 K | Richard Attwood | Porsche Audi Division | 3rd |
| 12.7.1970 | Can-Am Watkins Glen | 35 | 917 K | Gijs van Lennep | International Martini & Rossi Racing Team | 6th |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 36 | | Bob Harmon | Robert Harmon | DNA |
| 12.7.1970 | Can-Am Watkins Glen | 36 | 908/02 K Flunder | Gérard Larrousse | International Martini & Rossi Racing Team | 10th |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 37 | 914/6 | Ed Abate | Norm Anderson | DNA |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 50 | 911 | Del Bolton | Continental | DNA |
| 12.7.1970 | All Japan Tsukuba | 74 | 906 | Bob Hathaway | | DNF |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 77 | 912 | John Hotchkis | Bozzani Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [CSR+DP+EP] | 85 | | Scott Taylor | Scott Taylor | DNA |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 91 | Spyder | Richard Lee | Woodside Racing | DNA |
| 12.7.1970 | SCCA National Sears Point [ASR+BSR+AP+AS] | 94 | | Bob Jones | Robert Jones | DNA |
| 12.7.1970 | SCCA National Sears Point [BP+CP+BS] | 96 | 911 | Steve Runnalls | Aging Child. | DNA |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 T/R | Fiorenzo Genta | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Guido Fossati | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Michele Licheri | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 914/6 | Sepp Greger | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Franco Berruto | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 T | "Manuel" | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 | Gabriele Gottifredi | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Kremer | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 906 | Piero Monticone | | 8th |
| 12.7.1970 | Welschap [S/P/FL] | | 906 | Arie Ruska | Arie Ruska | 2nd |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Emilio Pegger | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Mario Ilotte | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Ennio Bonomelli | | ?th |
| 12.7.1970 | Hill Climb Cesana-Sestrières | | 911 S | Claude Haldi | | 9th |
| 14.7.1970 | Magny-Cours | 59 | 917 K | David Piper | David Piper Auto Racing | 3rd |
| 14.7.1970 | Magny-Cours | | 910 | Sylvain Garant | | 6th |
| 19.7.1970 | GP Mugello | 7 | 907 | Nicodemi / "Shangri-La" | Antonio Nicodemi | raced |
| 19.7.1970 | GP Mugello | 23 | 907 | Dominique Martin | Dominique Martin | 11th |
| 19.7.1970 | GP Mugello | 33 | 907 Spyder | Hans-Dieter Blatzheim | Hans Dieter Blatzheim | 12th |
| 19.7.1970 | GP Mugello | 35 | 906 | Piero Monticone | Scuderia Brescia Corse | DNF |
| 19.7.1970 | GP Mugello | 56 | 906 | Kurt Rieder | Bosch Racing Team | DNF |
| 19.7.1970 | GP Mugello | 59 | 906 | Forester / Coombe | Opposite Lock Club | DNF |
| 19.7.1970 | GP Mugello | 60 | 910 | Willy Meier | Wicky Racing Team | raced |
| 19.7.1970 | GP Mugello | 66 | 906 | Alessandro Fabroni | Alessandro Fabroni | raced |
| 19.7.1970 | GP Mugello | 68 | 910 | Lambert Hofer | Bosch Racing Team | DNF |
| 19.7.1970 | GP Mugello | 70 | 910 | Otto Stuppacher | Bosch Racing Team | raced |
| 19.7.1970 | GP Mugello | 112 | 911 S | Paul Blancpain | Pierre Greub | ?th |
| 19.7.1970 | GP Mugello | 114 | 911 T/R | Weir / Ogier | Snakespeed | ?th |
| 19.7.1970 | GP Mugello | 116 | 911 S | Larsson / Simonsen | | ?th |
| 19.7.1970 | GP Mugello | 119 | 914/6 | Schlup / Sartori | Ecurie-Biennoise | ?th |
| 19.7.1970 | GP Mugello | 120 | 911 T | Garant / Wicky | Wicky Racing Team | DNF |
| 19.7.1970 | GP Mugello | 121 | 914/6 | Carlo Fabri | Carlo Fabri | ?th |
| 19.7.1970 | GP Mugello | 123 | 914/6 | Elvio Maria Zanini | Elvio Maria Zanini | ?th |
| 19.7.1970 | GP Mugello | 124 | 911 S | Roberto Nardini | Roberto Nardini | ?th |
| 19.7.1970 | GP Mugello | 125 | 911 | Romano Ferretti | Romano Ferretti | ?th |
| 19.7.1970 | GP Mugello | 127 | 911 | Giorgio Schön | | ?th |
| 19.7.1970 | GP Mugello | 129 | 911 S | Ferlaino / Facetti | | ?th |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 911 T | Georg Stüssi | | 5th |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 911 T | Adolf Held | | 6th |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 914/6 | Ernst Seiler | Hart Ski Racing Team | 3rd |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 914/6 | Peter Kaiser | Hahn Motors Stuttgart | 2nd |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 914/6 | Dietrich Krumm | Max Moritz Reutlingen | 1st |
| 19.7.1970 | DARM Ulm-Laupheim [GT2.0] | | 911 T/R | Eugen Kiemele | | 4th |