| 22.3.1981 | CI Gr.6 Vallelunga | | | Nappi | | 7th |
| 29.3.1981 | Interserie Nürburgring 300 | 42 | T286 | Ruedi Jauslin | Jauslin Racing | 5th |
| 29.3.1981 | Interserie Nürburgring 300 | 70 | T297 | Eugen Grupp | Eugen Grupp | 6th |
| 29.3.1981 | Interserie Nürburgring 300 | 74 | T290 | Max Sigrist | Formel Rennsport-Club der Schweiz (FRC) | 8th |
| 29.3.1981 | Interserie Nürburgring 300 | 75 | T296 | Roland Binder | Roland Binder | 2nd |
| 29.3.1981 | Interserie Nürburgring 300 | 77 | T212 | Urs Neukomm | Formel Rennsport-Club der Schweiz (FRC) | DNF |
| 12.4.1981 | 6 h Mugello | 11 | T600 | Edwards / de Villota | Grid Team Lola | DNA |
| 12.4.1981 | SM Hockenheim | 67 | | | | raced |
| 12.4.1981 | SM Hockenheim | | T286 | Ruedi Jauslin | | raced |
| 19.4.1981 | SM Dijon | | T297 | Hans Affentranger | | 4th |
| 26.4.1981 | 6 h Riverside | 7T | T600 | | Cooke Woods/Garretson | unused |
| 26.4.1981 | 1000 km Monza | 8 | T600 | Edwards / de Villota | Grid Team Lola | DNF |
| 26.4.1981 | 1000 km Monza | 23 | T286 | Zorzi / D'Amore | Italsponsor | DNF |
| 26.4.1981 | 1000 km Monza | 35 | T298 | Secondo Ridolfi | Dino Ridolfi | DNA |
| 26.4.1981 | 1000 km Monza | 36 | | Tesini / Muller | Danilo Tesini | DNA |
| 3.5.1981 | 100 mile Laguna Seca | 7 | T600 | Brian Redman | Cooke Woods/Garretson | 1st |
| 10.5.1981 | 6 h Silverstone | 1 | T600 | Edwards / de Villota | Banco Occidental/Ultramar/Team Lola | DNF |
| 10.5.1981 | 6 h Silverstone | 51 | T296 | Götz / Binder | Rolf Götz | DNF |
| 10.5.1981 | 6 h Silverstone | 54 | T297 | Clark / Mason / Faure | Dorset Racing Associates | 16th |
| 24.5.1981 | 200 mile Lime Rock | 7 | T600 | Brian Redman | Kent-Cooke/Wood Racing | 1st |
| 24.5.1981 | 1000 km Nürburgring | 15 | T600 | Edwards / de Villota | Grid Team Lola | 8th |
| 24.5.1981 | Interserie Nürburgring 1000 | 46 | T296 | Binder | Weigel Renntechnik | 3rd |
| 24.5.1981 | 1000 km Nürburgring | 46 | T296 | Binder / Götz | Weigel Renntechnik | 21st |
| 24.5.1981 | 1000 km Nürburgring | 47 | T297 | Birchenhough / Joscelyne | Dorset Racing Associates | 16th |
| 24.5.1981 | Interserie Nürburgring 1000 | 47 | T297 | Birchenhough | Dorset Racing Associates | raced |
| 24.5.1981 | 1000 km Nürburgring | 51 | T290 | Sigrist | Formel Rennsport Club, Zurich | 44th |
| 24.5.1981 | Interserie Nürburgring 1000 | 51 | T290 | Sigrist | Formelrennsportclub, Zurich | 7th |
| 24.5.1981 | 1000 km Nürburgring | 52 | T212 | Neukomm / Sigrist | Formel Rennsport Club, Zurich | DNA |
| 24.5.1981 | Interserie Nürburgring 1000 | 52 | T212 | Neukomm / Sigrist | Formel Rennsport Club, Zurich | DNA |
| 24.5.1981 | Interserie Nürburgring 1000 | 53 | T297 | Grupp | Rallyegemeinschaft Ulm | 8th |
| 24.5.1981 | 1000 km Nürburgring | 53 | T297 | Grupp | Rallye Gemeinschaft Ulm | 20th |
| 24.5.1981 | 1000 km Nürburgring | 56 | T290 | Brauer / Hahne | Nieswurz Racing | DNA |
| 24.5.1981 | Interserie Nürburgring 1000 | 56 | T290 | Brauer / Hahne | Nieswurz Racing | DNA |
| 24.5.1981 | Interserie Nürburgring 1000 | 57 | T390 | Logrippo / Mantzel | Pino Logrippo | DNA |
| 24.5.1981 | 1000 km Nürburgring | 57 | T390 | Logrippo / Mantzel | Pino Logrippo | DNA |
| 24.5.1981 | Interserie Nürburgring 1000 | 59 | T298 | Heuclin / Lachaud | Jacques Heuclin | DNA |
| 24.5.1981 | 1000 km Nürburgring | 59 | T298 | Heuclin / Lachaud | Jacques Heuclin | DNA |
| 31.5.1981 | 200 mile Mid-Ohio | 7 | T600 | Brian Redman | Kent-Cooke/Wood Racing | 1st |
| 31.5.1981 | 200 mile Mid-Ohio | 8 | T600 | John Paul | J.L.P. Racing | 34th |
| 14.6.1981 | Can-Am Mosport | 1 | T530 | Jeff Wood | Carl Haas Racing Team, Ltd. | 4th |
| 14.6.1981 | Can-Am Mosport | 3 | T530 | Geoff Brabham | Racing Team V.D.S. | 2nd |
| 14.6.1981 | Can-Am Mosport | 4 | T530 | Danny Sullivan | Garvin Brown Racing | 3rd |
| 14.6.1981 | 200 km Brainerd | 8 | T600 | John Paul, Jr. | John Paul | 20th |
| 14.6.1981 | 24 h Le Mans | 17 | T600 | Rahal / Redman | Cooke-Woods Racing | DNQ |
| 14.6.1981 | 24 h Le Mans | 18 | T600 | de Villota / Edwards / Fernandez | Team Lola | 15th |
| 14.6.1981 | Can-Am Mosport | 20 | T300 | Dave Hoover | Motorsports Technology | DNA |
| 14.6.1981 | 24 h Le Mans | 30 | T298 | Cohen-Olivar / Lemerle / Levié | Jean-Marie Lemerle | DNF |
| 14.6.1981 | 24 h Le Mans | 31 | T298 | Grand / Courage | Jean-Philippe Grand | 18th |
| 14.6.1981 | 24 h Le Mans | 33 | T298 | Yver / Heuclin / Dubois | Compagnie Primagaz | NC |
| 14.6.1981 | 24 h Le Mans | 34 | T298 | Lacaud / Gouhier | Dominique Lacaud | DNA |
| 14.6.1981 | Can-Am Mosport | 36 | T300 | Mike Freberg | Horst Kroll Racing | 8th |
| 14.6.1981 | Can-Am Mosport | 37 | T332 | Horst Kroll | Horst Kroll Racing | 6th |
| 14.6.1981 | Can-Am Mosport | 56 | T332 | Leonard Janke | Janke Auto | 15th |
| 14.6.1981 | Can-Am Mosport | 58 | T290 | Roman Pechmann | Roman Pechmann Racing | 9th |
| 14.6.1981 | Can-Am Mosport | 62 | T332 | Wayne Rutherford | S.F.D. Autotech | DNA |
| 14.6.1981 | CI Gr.6 Varano | | | Ridolfi | | ?th |
| 28.6.1981 | Can-Am Mid-Ohio | 1 | T530 | Jeff Wood | Carl Haas Racing Teams | 6th |
| 28.6.1981 | Can-Am Mid-Ohio | 3 | T530 | Geoff Brabham | Racing Team VDS | 2nd |
| 28.6.1981 | 6 h Pergusa | 3 | T600 | de Villota / Edwards | Grid Team Lola | 1st |
| 28.6.1981 | Can-Am Mid-Ohio | 4 | T530 | Danny Sullivan | Garvin Brown Racing | 5th |
| 28.6.1981 | Can-Am Mid-Ohio | 20 | T300 | Dave Hoover | Crazy Horse Racing | 19th |
| 28.6.1981 | Can-Am Mid-Ohio | 31 | T332 | Gerre Payvis | Race Power/Cartel | 17th |
| 28.6.1981 | Can-Am Mid-Ohio | 36 | T300 | Mike Freberg | Horst Kroll Racing | 18th |
| 28.6.1981 | Can-Am Mid-Ohio | 37 | T332 | Horst Kroll | Horst Kroll Racing | 12th |
| 28.6.1981 | Can-Am Mid-Ohio | 77 | T290 | John Graham | Midland Racing | DNA |
| 28.6.1981 | 6 h Pergusa | | T292 | Bono / Veninata / "Perrier" | Vito Veninata | DNS |
| 5.7.1981 | Interserie Nürburgring GP TW | 42? | T286 | Ruedi Jauslin | Jauslin Racing | 11th |
| 5.7.1981 | Interserie Nürburgring GP TW | 52? | T390 | Pino Logrippo | Pino Logrippo | DNF |
| 5.7.1981 | Interserie Nürburgring GP TW | 70? | T297 | Eugen Grupp | Rallyegemeinschaft Ulm | 5th |
| 5.7.1981 | Interserie Nürburgring GP TW | 74? | T290 | Max Sigrist | | 10th |
| 5.7.1981 | Interserie Nürburgring GP TW | 75? | T296 | Roland Binder | | 2nd |
| 5.7.1981 | Interserie Nürburgring GP TW | 79? | T292 | Jan van Straaten | | DNF |
| 5.7.1981 | Interserie Nürburgring GP TW | 86? | T296 | Peter Kübler | Peter Kübler | DNF |
| 5.7.1981 | Interserie Nürburgring GP TW | | T297 | Hans Affentranger | Squadra Caposcarico | 7th |
| 11.7.1981 | Can-Am Watkins Glen | 1 | T530 | Jeff Wood | Carl A. Haas Racing Team Ltd. | DNS |
| 11.7.1981 | Can-Am Watkins Glen | 3 | T530 | Geoff Brabham | Racing Team V.D.S. | 12th |
| 11.7.1981 | Can-Am Watkins Glen | 4 | T530 | Danny Sullivan | Garvin Brown Racing | 2nd |
| 11.7.1981 | Can-Am Watkins Glen | 20 | T300 | Dave Hoover | Crazy Horse Racing | 9th |
| 11.7.1981 | Can-Am Watkins Glen | 31 | T332 | Gerre Payvis | Christine B. Snyder | 13th |
| 11.7.1981 | Can-Am Watkins Glen | 36 | T300 | Mike Freberg | Race Safe Racing | 18th |
| 11.7.1981 | Can-Am Watkins Glen | 37 | T332 | Horst Kroll | Horst Kroll Racing | 22nd |
| 11.7.1981 | Can-Am Watkins Glen | 58 | T290 | Roman Pechmann | Roman Pechmann | 8th |
| 11.7.1981 | Can-Am Watkins Glen | 74 | T294 | Paul Macey | Intercicle Racing | 20th |
| 12.7.1981 | 6 h Watkins Glen | 60 | T600 | de Villota / Edwards | Banco Occidental/Ultramar/Team Lola | DNF |
| 12.7.1981 | SM Hockenheim | | T490 | René Crétin | | 3rd |
| 12.7.1981 | SM Hockenheim | | T297 | Hans Affentranger | | 4th |
| 26.7.1981 | Can-Am Road America | 0 | T496 | Jeff Miller | Wynnfurst, Ltd. | 11th |
| 26.7.1981 | 100 mile Sears Point | 0T | T600 | | Interscope Racing | unused |
| 26.7.1981 | 100 mile Sears Point | 7 | T600 | Brian Redman | Cooke Woods Racing | 2nd |
| 26.7.1981 | 100 mile Sears Point | 8 | T600 | John Paul, Jr. | J.L.P. | 3rd |
| 26.7.1981 | Can-Am Road America | 36 | T300 | Mike Freberg | Race Safe Racing | 7th |
| 26.7.1981 | Interserie Nürburgring | 70? | T297 | Eugen Grupp | | 4th |
| 26.7.1981 | Can-Am Road America | 74 | T294 | Paul Macey | George Macey/Intercicle | DNA |
| 26.7.1981 | Interserie Nürburgring | 75? | T296 | Roland Binder | | 2nd |
| 26.7.1981 | Interserie Nürburgring | | T290 | Christian Brauer | | DNF |
| 1981 | US Champions Road Atlanta [ASR] | | T292 | Noah Lacona | | 6th |
| 1981 | US Champions Road Atlanta [ASR] | | T296 | Tom Foster | | 3rd |
| 1981 | US Champions Road Atlanta [ASR] | | T332 | Jerry Hansen | | 1st |