| 1982 · Trofeo Filippo Caracciolo, Monza | 11 | 96 | 2. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | 125 | WSPR historical record |
| 1982 · The Pace Petroleum 6 Hours, Silverstone | retired | 91 | GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | 122 | WSPR historical record |
| 1982 · Rudolf Caracciola Wanderpreis 1000 Kilometres, Nürburgring | retired | 66 | GT | Formel Rennsport Club, Zuri | Edi Kofel · Peter Zbinden · Marco Vanoli | Porsche 924 Carrera GTR | — | 17 | WSPR historical record |
| 1982 · Trophee Diners Club 1000 kilometres, Spa-Francorchamps | 19 | 93 | 3. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | 120 | WSPR historical record |
| 1982 · Shell Oils 1000 Kilometres, Brands Hatch | retired | 35 | GT | Formel Rennsport Club, Zuri | Edi Kofel · Peter Zbinden | Porsche 924 Carrera GTR | — | 21 | WSPR historical record |
| 1981 · Flying Tigers 1000, Brands Hatch | entry_only | 45 | GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | | WSPR historical record |
| 1981 · Mugello 6 Hours | 13 | 34 | 3. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel · Marco Vanoli | Porsche 924 Carrera GTR | — | 151 | WSPR historical record |
| 1981 · Silverstone 6 Hours | 9 | 33 | 1. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel · Marco Vanoli | Porsche 924 Carrera GTR | — | 194 | WSPR historical record |
| 1981 · 1000 km Nürburgring | 18 | 44 | 3. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | 14 | WSPR historical record |
| 1981 · 1000 km Nürburgring | 44 | 51 | 4. S2.0 | Formel Rennsport Club, Zuri | Max Sigrist · Urs Neukomm | Lola T290 BMW | — | 13 | WSPR historical record |
| 1981 · 1000 km Nürburgring | entry_only | 52 | S2.0 | Formel Rennsport Club, Zuri | Urs Neukomm · Max Sigrist | Lola T212 BMW | — | | WSPR historical record |
| 1981 · XXI. Coppa Florio, 6 ore Enna-Pergusa | entry_only | - | GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 924 Carrera GTR | — | | WSPR historical record |
| 1980 · Nürburgring 1000 Kilometres | retired | 57 | S2.0 | Formel Rennsport Club, Zuri | Urs Neukomm | Lola T212 BMW | — | 7 | WSPR historical record |
| 1980 · Nürburgring 1000 Kilometres | retired | 58 | S2.0 | Formel Rennsport Club, Zuri | Max Sigrist | Lola T298 BMW | — | 7 | WSPR historical record |
| 1980 · Nürburgring 1000 Kilometres | entry_only | 75 | GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 934 | — | | WSPR historical record |
| 1979 · Dijon 6 Hours | 7 | 48 | 1. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 934 | — | 226 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 6 | 24 | 2. GT | Formel Rennsport Club, Zuri | Peter Zbinden · Edi Kofel | Porsche 934 | — | 210 | WSPR historical record |
| 1977 · 500 kms de I'ACF, Dijon-Prenois | 7 | 35 | S2.0 | Formel Rennsport Club, Zuri | Herbert Müller · Rodolfo Cescato | Chevron B21/23 Ford | — | 115 | WSPR historical record |
| 1976 · 500 km des ACF Dijon-Prenois | did_not_start | 54 | S2.0 | Formel Rennsport Club, Zuri | Rodolfo Cescato · Walter Baltisser | Chevron B21 Ford | — | | WSPR historical record |
| 1976 · Elan Trophy, Salzburgring | retired | 21 | S2.0 | Formel Rennsport Club, Zuri | Peter Bernhard | Cheetah G501 Hart | — | 61 | WSPR historical record |
| 1972 · Austrian 1000 Kilometres, Zeltweg | did_not_qualify | 42 | GT | Formel Rennsport Club, Zuri | Gregor Fischer · Max Müller | Porsche 911S | — | | WSPR historical record |
| 1970 · 1000 km Nürburgring | entry_only | 98 | GT2.0 | Formel Rennsport Club, Zuri | Joseph Robert Kretschi · Sergio Moscatelli | Alfa Romeo GTA | — | | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | entry_only | 179 | P1.15 | Formel Rennsport Club, Zuri | Erwin Schnewlin | Osca S1100 | — | | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | entry_only | 194 | P1.15 | Formel Rennsport Club, Zuri | Jungi Werner | Fiat-Abarth | — | | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 15 | 172 | 8. S2.0 | Formel Rennsport Club, Zuri | Gildo de Guidi | Porsche 904 GTS | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 24 | 99 | 1. T2.5 | Formel Rennsport Club, Zuri | Hans Peter Nyffeler | Porsche 911 | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 49 | 171 | 1. S2.0 | Formel Rennsport Club, Zuri | Gerhard Kobler | Lotus Elan | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 54 | 85 | 6. T1.6 | Formel Rennsport Club, Zuri | Carlo Dubach | Austin Mini-Cooper S | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 65 | 154 | 5. S1.3 | Formel Rennsport Club, Zuri | Paul Macchi | Saab Sonett | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 79 | 75 | 9. T1.15 | Formel Rennsport Club, Zuri | Doelf Reusch | DKW F12 | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 85 | 156 | 7. S1.3 | Formel Rennsport Club, Zuri | Jürg Pfister | Saab Sonett | — | 2 | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | entry_only | 93 | T1.6 | Formel Rennsport Club, Zuri | Charles Manz | Lancia Fulvia HF | — | | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | entry_only | 136 | GT2.0 | Formel Rennsport Club, Zuri | Urs Hauenstein | Lotus Elan | — | | WSPR historical record |
| 1966 · Sierre-Montagna-Crans, Swiss Mountain Grand Prix | entry_only | 71 | S1.3 | Formel Rennsport Club, Zuri | Hansueli Stahel | Abarth-Simca 1300 Bialbero | — | | WSPR historical record |
| 1966 · Sierre-Montagna-Crans, Swiss Mountain Grand Prix | 30 | 173 | 1. P1.15 | Formel Rennsport Club, Zuri | Erwin Schnewlin | Osca 1100S | — | 2 | WSPR historical record |
| 1966 · Sierre-Montagna-Crans, Swiss Mountain Grand Prix | 48 | 182 | 2. R1.6 | Formel Rennsport Club, Zuri | Willy Elsinger | Lotus Elan | — | 2 | WSPR historical record |
| 1966 · Sierre-Montagna-Crans, Swiss Mountain Grand Prix | 49 | 227 | 4. GT1.6 | Formel Rennsport Club, Zuri | Hermann Abplanalp | Lotus Elan | — | 2 | WSPR historical record |
| 1965 · Bergpreis Freiburg-Schauinsland | entry_only | 51 | SR/P1.6 | Formel Rennsport Club, Zuri | Dieter Spoerry | Osca 1100S | — | | WSPR historical record |