| 14.2.1965 | SCCA Regional Willow Springs [AP+BP+CP+DP] | | | Jim Adams | Por-Gon Engineering | DNF |
| 14.2.1965 | SCCA Regional Willow Springs [CM+DM+EM+FM+GM] | | | Jim Adams | Por-Gon Engineering | 1st |
| 28.2.1965 | 2000 km Daytona | 6 | #043 | Ryan / Bencker / Tidwell | John E. Ryan | 9th |
| 28.2.1965 | 2000 km Daytona | 10 | #068 | Gregg / Barber | Peter H. Gregg | 8th |
| 28.2.1965 | 2000 km Daytona | 16 | #086 | Kolb / Heftler | Charlie Kolb | 5th |
| 28.2.1965 | 2000 km Daytona | 26 | #051 | Lane / Stoddard | Dr. David C. Lane | 16th |
| 28.2.1965 | 2000 km Daytona | 31 | | Linge / Pon | Porsche Enginering System | DNA |
| 28.2.1965 | 2000 km Daytona | 32 | #015 | Wester / Buzzetta | Porsche Enginering System | DNA |
| 14.3.1965 | SCCA National Fernandina Beach [CM+DM+EM+FM+GM+HM+AP+BP] | 10 | #086 | Charlie Kolb | Brumos | 2nd |
| 14.3.1965 | SCCA National Fernandina Beach [CM+DM+EM+FM+GM+HM+AP+BP] | | #068 | Peter Gregg | | ?th |
| 20.3.1965 | Senior Service Silverstone [GT] | 11 | | Dickie Stoop | J. R. Stoop | DNA |
| 20.3.1965 | Senior Service Silverstone [GT] | 12 | #085 | Mike De Udy | Don Moore | DNA |
| 21.3.1965 | SCCA National Tucson [AP+BP] | 12 | | Jim Adams | | 4th |
| 21.3.1965 | Novice Tucson | | | Reg Vernet | | 1st |
| 21.3.1965 | SCCA National Tucson [AP+BP] | | | Reg Vernet | | raced |
| 27.3.1965 | 12 h Sebring | 39 | #108 | Buzzetta / Pon | Porsche Automobile Co. | 6th |
| 27.3.1965 | 12 h Sebring | 40 | #005 | Underwood / Klass | Porsche Automobile Co. | 5th |
| 27.3.1965 | 12 h Sebring | 41 | #093 | Patrick / Jordan | Precision Motors | 10th |
| 27.3.1965 | 12 h Sebring | 42 | #016 | Lane / Cassel | Carl W. Lindell Co. | DNF |
| 27.3.1965 | 12 h Sebring | 43 | #043 | Ryan / Tidwell | R.B.M. Motors | 28th |
| 27.3.1965 | 12 h Sebring | 44 | #018 | Cunningham / Fitch / Bencker | Briggs Cunningham | 20th |
| 27.3.1965 | 12 h Sebring | 45 | #067 | Barber / Gregg | Lt. Peter Gregg | DNF |
| 27.3.1965 | 12 h Sebring | T | #019 | | Porsche Automobile Co. | T-car |
| 4.4.1965 | SCCA Regional Kirker Creek [AP+BP+CP+DP] | 6 | #015 | Don Wester | | 1st |
| 4.4.1965 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM] | | #015 | Don Wester | | 2nd |
| 4.4.1965 | Hill Climb Stallavena-Boscochiesanuova | | | "Noris" | Patavium | 2nd |
| 4.4.1965 | Hill Climb Stallavena-Boscochiesanuova | | | Abramo Zanardelli | Mirabella | 19th |
| 11.4.1965 | USRRC Pensacola | 1 | #086 | Charlie Kolb | Keymo Motors Corp. | 8th |
| 11.4.1965 | USRRC Pensacola | 4 | #068 | Peter Gregg | Peter Gregg | DNF |
| 11.4.1965 | USRRC Pensacola | 34 | #013 | George Drolsom | George Drolsom | 14th |
| 11.4.1965 | Le Mans Test | 37 | #041 | "Franc" | "Franc" | 27th |
| 11.4.1965 | USRRC Pensacola | 51 | #098 | Ted Tidwell | | 9th |
| 11.4.1965 | Le Mans Test | 66 | #079? | Jacques Calderari | Scuderia Filipinetti | 16th |
| 11.4.1965 | Aspern [GT] | 68 | #037 | Manfred Abels | Manfred Abels | 4th |
| 11.4.1965 | Aspern [GT] | 69 | #023 | Rob Slotemaker | Rob Slotemaker | DNA |
| 11.4.1965 | Aspern [GT] | 70 | | Ben Pon | Ben Pon | DNA |
| 11.4.1965 | Le Mans Test | 71 | #100 | Christian Poirot | Christian Poirot | 18th |
| 11.4.1965 | Le Mans Test | - | #021 | Robert Buchet | Auguste Veuillet | DNF |
| 18.4.1965 | SCCA National Riverside [AP+BP+CP] | 12 | | Reg Vernet | Reg Vernet | DNA |
| 18.4.1965 | SCCA National Riverside [AP+BP+CP] | 33 | | Scooter Patrick | Precision Motors | 2nd |
| 18.4.1965 | SCCA National Riverside [AP+BP+CP] | 34 | | Dave Jordan | Otto Zipper | DNA |
| 18.4.1965 | SCCA National Riverside [AP+BP+CP] | 35 | | Bill Neal | Bill Neal | DNA |
| 19.4.1965 | Sussex Trophy Goodwood | 72 | #085 | Mike De Udy | Don Moore | DNF |
| 19.4.1965 | Autosport Brands Hatch [GT+1.6] | | | Martin Hone | | 4th |
| 24.4.1965 | Autosport Oulton Park [GT+1.15] | 81 | #097 | Martin Hone | Mefco Racing Team | 13th |
| 25.4.1965 | SM Knutstorp [GT+1.15] | 6 | | Sten Axelsson | | DNA |
| 25.4.1965 | SCCA National Marlboro [AB+BP] | 10 | #086 | Charlie Kolb | | 3rd |
| 25.4.1965 | 1000 km Monza | 34 | #085 | De Udy / Maglioli | Don Moore | DNA |
| 25.4.1965 | 1000 km Monza | 35 | #079 | Calderari / Calderari | Scuderia Filipinetti | DNF |
| 25.4.1965 | 1000 km Monza | 36 | #055 | Pon / Slotemaker | Racing Team Holland | 4th |
| 25.4.1965 | 1000 km Monza | 37 | | Maestrini / Toppetti | Giancarlo Maestrini | DNA |
| 25.4.1965 | Artukainen [Specials] | 132 | | Pauli Toivonen | | raced |
| 25.4.1965 | Coupes de Vitesse | | | Willy Meier | | 2nd |
| 25.4.1965 | Coupes de Vitesse | | #084 | "Remordu" | | 4th |
| 25.4.1965 | Coupes de Vitesse | | #063 | "Roy von Vost" | | 3rd |
| 1.5.1965 | Autosport Silverstone [GT+1.6] | 161 | | Martin Hone | John Morris | 4th |
| 2.5.1965 | USRRC-GT Riverside | 31 | #018? | Briggs Cunningham | | 9th |
| 2.5.1965 | USRRC-GT Riverside | 32 | | Kurt Neumann | | DNF |
| 2.5.1965 | USRRC-GT Riverside | 33 | | Scooter Patrick | | 2nd |
| 2.5.1965 | USRRC-GT Riverside | 34 | #093 | Dave Jordan | | 4th |
| 2.5.1965 | USRRC-GT Riverside | 35 | | Bill Neal | | DNF |
| 2.5.1965 | USRRC-GT Riverside | 55 | | Jim Adams | | 6th |
| 2.5.1965 | Stockholmsloppet [GT+1.15] | 85 | | Hasse Radefalk | | DNA |
| 2.5.1965 | Stockholmsloppet [GT+1.15] | 90 | | Sten Axelsson | Stockholms SVK | 2nd |
| 2.5.1965 | SCCA Regional Newport [Modified+AP+BP+CP] | | #042 | Mike Eyerly | | 3rd |
| 2.5.1965 | SCCA Regional Newport [Special Race] | | #042 | Mike Eyerly | | 2nd |
| 8.5.1965 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 6 | #015 | Don Wester | | raced |
| 9.5.1965 | USRRC-GT Laguna Seca | 3 | #018? | Briggs Cunningham | Briggs Cunningham | 10th |
| 9.5.1965 | USRRC-GT Laguna Seca | 31 | #087? | Dave Jordan | Otto Zipper | 4th |
| 9.5.1965 | USRRC-GT Laguna Seca | 32 | #093? | Scooter Patrick | Otto Zipper | 3rd |
| 9.5.1965 | USRRC-GT Laguna Seca | 34 | | Kurt Neumann | Steve Berg | 5th |
| 9.5.1965 | Targa Florio | 82 | | Maestrini / Rinaldi | Giancarlo Maestrini | DNF |
| 9.5.1965 | Targa Florio | 90 | #108 | Andrea Vianini | Porsche System Engineering | DNS |
| 9.5.1965 | Targa Florio | 94 | #005 | Pucci / Klass | Porsche System Engineering | 5th |
| 9.5.1965 | USRRC-GT Laguna Seca | | | Bill Neal | B & H Racing | DNA |
| 9.5.1965 | Hansa-Pokal Nürburgring [Handicap] | | #028 | Rainer Ising | | 12th |
| 9.5.1965 | USRRC-GT Laguna Seca | | | Jim Adams | PORGON | DNA |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | #028 | Rainer Ising | | 6th |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | #037 | Manfred Abels | | 3rd |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | #031 | Peter Ruby | | 5th |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | | Franz-Urban Schoppe | | 8th |
| 9.5.1965 | Hansa-Pokal Nürburgring [Handicap] | | #037 | Manfred Abels | | 10th |
| 9.5.1965 | Trofeo Juan Jover Montjuich | | #057? | Juan Fernandez | | 2nd |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | #102 | Rolf Stommelen | | 2nd |
| 9.5.1965 | DARM GT Nürburgring [GT2.5] | | #036 | Udo Schütz | | 1st |
| 15.5.1965 | Mosport [S+1.3] | 58 | | Jacques Duval | Mr. Muffler | 4th |
| 16.5.1965 | Player's Pacific Westwood | | #042 | Mike Eyerly | | 1st |
| 1965 | GP Japan | | | | | raced |