| 1974 · 1974 24 Hours of Le Mans | DNA | 24 | S 3.0 | Lancia Marlboro Team | Jean-Claude Andruet · Sandro Munari · Umberto MaglioliJean-Claude Andruet Sandro Munari Umberto Maglioli | Lancia Stratos | Ferrari 2.4L V6 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1970 · Targa Florio | retired | 32 | P3.0 | Autodelta SpA | Umberto Maglioli · Nanni Galli | Alfa Romeo T33/3 | — | 0 | WSPR historical record |
| 1969 · 24 h Daytona | retired | 38 | S5.0 | Team Raceco of Miami | Fausto Merello · Umberto Maglioli · Edward Alvarez | Ferrari 250LM | — | 68 | WSPR historical record |
| 1969 · 12 h Sebring | 42 | 57 | 2. S3.0 | Raceco Miami | Umberto Maglioli · Hugh Kleinpeter · Bob Beatty | Chevron B8 BMW | — | 143 | WSPR historical record |
| 1969 · 12 h Sebring | source_section_running_in_practice | 100T | P3.0 | Porsche System Engineering | Gérard Larrousse · Umberto Maglioli | Porsche 908/02 | — | | WSPR historical record |
| 1969 · 53rd Targa Florio, Piccolo Madonie | 2 | 270 | 2. P3.0 | Porsche System Engineering | Vic Elford · Umberto Maglioli | Porsche 908/02 | — | 10 | WSPR historical record |
| 1968 · 1968 24 Hours of Le Mans | DNF | 3 | GT +2.0 | Scuderia Filipinetti | Umberto MaglioliUmberto Maglioli Henri Greder | Chevrolet Corvette C3 | Chevrolet 7.0L V8 | 53 | Wikipedia contributors · CC BY-SA 4.0 |
| 1968 · 52nd Targa Florio, Piccolo Madonie | 1 | 224 | 1. P3.0 | Porsche System Engineering | Vic Elford · Umberto Maglioli | Porsche 907 2.2 | — | 10 | WSPR historical record |
| 1967 · 1967 24 Hours of Le Mans | DNF | 18 | S 5.0 | Scuderia Filipinetti | Umberto Maglioli · Mario CasoniUmberto Maglioli Mario Casoni | Ford GT40 Mk.I | Ford 4.7L V8 | 116 | Wikipedia contributors · CC BY-SA 4.0 |
| 1967 · 24 h Daytona | retired | 9 | S+2.0 | Scuderia Brescia Corse | Umberto Maglioli · Mario Casoni | Ford GT40 | — | 93 | WSPR historical record |
| 1967 · Sports Car Grand Prix Österreich, Zeltweg | 3 | 3 | 2. S+2.0 | Scuderia Brescia Corse | Nino Vaccarella · Umberto Maglioli | Ford GT40 | — | 153 | WSPR historical record |
| 1967 · 12 h Sebring | 5 | 19 | 1. S5.0 | Scuderia Brescia Corse | Nino Vaccarella · Umberto Maglioli | Ford GT40 | — | 223 | WSPR historical record |
| 1967 · 51st Targa Florio, Piccolo Madonie | retired | 184 | P2.0 | Porsche System Engineering | Umberto Maglioli · Udo Schütz | Porsche 910 | — | 8 | WSPR historical record |
| 1966 · 1966 24 Hours of Le Mans | DNA | 22 | P 4.0 | SpA Ferrari SEFAC | Giancarlo Baghetti · Umberto MaglioliGiancarlo Baghetti Umberto Maglioli | Ferrari 330 P3 | Ferrari 4.0L V12 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1966 · 12 h Sebring | entry_only | 15 | P5.0 | de Tomaso Automobili | Pierre Noblet · Franco Bernabei · Umberto Maglioli | De Tomaso Mangusta | — | | WSPR historical record |
| 1966 · 50th Targa Florio, Piccolo Madonie | 5 | 150 | 3. S2.0 | Scuderia Filipinetti | Claude Bourilot · Umberto Maglioli · DNS - Robert Buchet | Porsche 906 | — | 10 | WSPR historical record |
| 1966 · Circuit of Mugello | entry_only | - | S+1.6 | — | Umberto Maglioli · Mario Casoni | Ford GT40 | — | | WSPR historical record |
| 1965 · 1965 24 Hours of Le Mans | DNF | 7 | P 5.0 | Rob Walker Racing Team | Bob Bondurant · Umberto MaglioliBob Bondurant Umberto Maglioli | Ford GT40 | Ford 4.7L V8 | 29 | Wikipedia contributors · CC BY-SA 4.0 |
| 1965 · 12 h Sebring | 8 | 33 | 2. SR | Kleiner Racing Enterprises | Umberto Maglioli · Giancarlo Baghetti | Ferrari 275P | — | 184 | WSPR historical record |
| 1965 · 1000 km Monza | entry_only | 34 | GT2.0 | Don Moore | Mike De Udy · Umberto Maglioli | Porsche 904 GTS | — | | WSPR historical record |
| 1965 · 1000 km Monza | retired | 68 | P+2.0 | Shelby American Inc. | Chris Amon · Umberto Maglioli | Ford GT40 | — | 76 | WSPR historical record |
| 1965 · 49th Targa Florio, Piccolo Madonie | source_section_running_in_practice | T | GT2.0 | Porsche System Engineering | Umberto Maglioli · Herbert Linge | Porsche 911 | — | | WSPR historical record |
| 1965 · 49th Targa Florio, Piccolo Madonie | 3 | 176 | 2. P2.0 | Porsche System Engineering | Umberto Maglioli · Herbert Linge | Porsche 904/6 | — | 10 | WSPR historical record |
| 1965 · XI. Int. ADAC 1000 Kilometers Rennen Nürburgring | 5 | 23 | 3. P2.0 | Porsche System | Umberto Maglioli · Herbert Linge | Porsche 904/6 | — | 43 | WSPR historical record |
| 1964 · 1964 24 Hours of Le Mans | DNF | 22 | P 4.0 | SpA Ferrari SEFAC | Giancarlo Baghetti · Umberto MaglioliGiancarlo Baghetti Umberto Maglioli | Ferrari 275 P | Ferrari 3.3L V12 | 68 | Wikipedia contributors · CC BY-SA 4.0 |
| 1964 · Grand Prix Reims 12 Hours | entry_only | - | P+3.0 | Umberto Maglioli | Umberto Maglioli · Jochen Rindt | Ferrari 250LM | — | | WSPR historical record |
| 1964 · Sebring 12 Hours | 1 | 22 | 1. P+3.0 | SpA Ferrari SEFAC | Mike Parkes · Umberto Maglioli | Ferrari 275P | — | 214 | WSPR historical record |
| 1964 · Targa Florio | 6 | 186 | 1. P2.0 | Porsche System Engineering | Edgar Barth · Umberto Maglioli · DNS - Jo Bonnier | Porsche 904/8 | — | 10 | WSPR historical record |
| 1964 · 1000 km Nürburgring | 39 | 137 | 3. P+3.0 | Gottfried Koechert | Umberto Maglioli · Jochen Rindt | Ferrari 250LM | — | 34 | WSPR historical record |
| 1963 · 1963 24 Hours of Le Mans | 3 | 22 | P 3.0 | SpA Ferrari SEFAC | Mike Parkes · Umberto MaglioliMike Parkes Umberto Maglioli | Ferrari 250 P | Ferrari 3.0L V12 | 323 | Wikipedia contributors · CC BY-SA 4.0 |
| 1963 · Trophée d'Auvergne, Circuit de Charade, Clermond-Ferrand (3 Hours) | entry_only | 52 | P+3.0 | — | Umberto Maglioli | Ferrari | — | | WSPR historical record |
| 1963 · Targa Florio | 7 | 156 | 2. P2.0 | Porsche System Engineering | Umberto Maglioli · Giancarlo Baghetti | Porsche 718 WRS | — | 10 | WSPR historical record |
| 1963 · 1000 km Nürburgring | 3 | 112 | 2. P3.0 | Scuderia Serenissima | Carlo Maria Abate · Umberto Maglioli | Ferrari 250 TRI/61 | — | 43 | WSPR historical record |
| 1962 · 46th Targa Florio | retired | 116 | P3.0 | — | Umberto Maglioli · Tommy Spychinger · DNS - Gotfrid Koechert | Porsche 718 RSK | — | 3 | WSPR historical record |
| 1962 · VIII. Int. ADAC 1000 km Nürburgring | entry_only | - | S2.0 | Scuderia Sant Ambroeus | Tommy Spychinger · Umberto Maglioli | Porsche 718 | — | | WSPR historical record |
| 1962 · VIII. Int. ADAC 1000 km Nürburgring | retired | 49 | GT3.0 | OASC | Umberto Maglioli · Gotfrid Koechert | Ferrari 250 GTO | — | 14 | WSPR historical record |
| 1961 · Targa Florio | 5 | 158 | 3. S3.0 | Scuderia Serenissima | Umberto Maglioli · Giorgio Scarlatti | Maserati Tipo 63 | — | 10 | WSPR historical record |
| 1961 · 1000 km Nürburgring | 23 | 7 | 4. S3.0 | Scuderia Serenissima | Ludovico Scarfiotti · Nino Vaccarella · Maurice Trintignant - DNP · Umberto Maglioli | Maserati Tipo 63 | — | 40 | WSPR historical record |
| 1961 · 1000 km Nürburgring | retired | 6 | S3.0 | Scuderia Serenissima | Maurice Trintignant · Umberto Maglioli | Maserati Tipo 63 | — | 7 | WSPR historical record |
| 1960 · Targa Florio | retired | 200 | S3.0 | Camoradi USA | Umberto Maglioli · Nino Vaccarella | Maserati Tipo 61 | — | 7 | WSPR historical record |
| 1959 · 1959 24 Hours of Le Mans | DNF | 32 | S2.0 | Porsche KG | Hans Herrmann · Umberto MaglioliHans Herrmann Umberto Maglioli | Porsche 718 RSK | Porsche 1587cc F4 | 78 | Wikipedia contributors · CC BY-SA 4.0 |
| 1959 · Targa Florio | retired | 136 | S2.0 | Porsche AG | Umberto Maglioli · Hans Herrmann | Porsche 718 RSK | — | | WSPR historical record |
| 1959 · 1000 km Nürburgring | 4 | 15 | 1. S2.0 | Porsche KG | Umberto Maglioli · Hans Herrmann | Porsche 718 RSK | — | 44 | WSPR historical record |
| 1959 · XXIV. R.A.C. Tourist Trophy, Goodwood | 12 | 23 | 2. S2.0 | Dr. Porsche | Edgar Barth · Umberto Maglioli | Porsche 718 RSK | — | 197 | WSPR historical record |
| 1957 · 1957 24 Hours of Le Mans | DNF | 32 | S1.5 | Porsche KG | Umberto Maglioli · Edgar BarthUmberto Maglioli Edgar Barth | Porsche 718 RSK | Porsche 1498cc F4 | 129 | Wikipedia contributors · CC BY-SA 4.0 |
| 1957 · Mille Miglia | 5 | 349 | 1. S1.5 | — | Umberto Maglioli | Porsche 550 RS | — | | WSPR historical record |
| 1957 · Nürburgring 1000 Kilometres | source_section_running_in_practice | 22T | S1.5 | Porsche KG | Umberto Maglioli · Arthur Rosenhammer | Porsche 718 RSK | — | | WSPR historical record |
| 1957 · Nürburgring 1000 Kilometres | 4 | 21 | 1. S1.5 | Porsche KG | Umberto Maglioli · Edgar Barth | Porsche 550A RS | — | 44 | WSPR historical record |
| 1957 · Swerige GP 6 Hours, Rabelöf, Kristianstad | entry_only | - | S2.0 | Porsche | Umberto Maglioli · Edgar Barth | Porsche 718 RSK | — | | WSPR historical record |
| 1956 · 1956 24 Hours of Le Mans | DNF | 24 | S 1.5 | Porsche KG | Umberto Maglioli · Hans HerrmannUmberto Maglioli Hans Herrmann | Porsche 550 A Coupé | Porsche 1498cc F4 | 136 | Wikipedia contributors · CC BY-SA 4.0 |
| 1956 · Sebring 12 Hours | entry_only | 52 | S1.5 | Charles Nebel | Umberto Maglioli · Consalvo Sanesi | Alfa Romeo Giulietta | — | | WSPR historical record |
| 1956 · Mille Miglia | retired | 424 | S1.5 | — | Umberto Maglioli | Osca MT4 1500 | — | | WSPR historical record |
| 1956 · 1000 km Nürburgring | 4 | 21 | 1. S1.5 | Porsche | Wolfgang von Trips · Umberto Maglioli | Porsche 550 RS | — | 44 | WSPR historical record |
| 1956 · Sweriges Grand Prix, Rabelöfsbanan, 1000 km Kristianstadt | retired | 10 | S | Officine Alfieri Maserati | Luigi Villoresi · Umberto Maglioli · Stirling Moss · DNS - Harry Schell | Maserati 300S | — | 115 | WSPR historical record |
| 1955 · 1955 24 Hours of Le Mans | DNF | 3 | S 5.0 | Scuderia Ferrari | Umberto Maglioli · Phil HillUmberto Maglioli Phil Hill | Ferrari 735 LM | Ferrari 4.4L S6 | 76 | Wikipedia contributors · CC BY-SA 4.0 |
| 1955 · GP Buenos Aires 1000 Kilometres | retired | 20 | S3.0 | Scuderia Ferrari | Umberto Maglioli · Clemar Bucci | Ferrari 750 Monza | — | 33 | WSPR historical record |
| 1955 · Sebring 12 Hours | 62 | 26 | S3.0 | Alfonso de Portago | Alfonso de Portago · Umberto Maglioli | Ferrari 750 Monza | — | 53 | WSPR historical record |
| 1955 · Mille Miglia | 3 | 705 | 3. S+2.0 | Scuderia Ferrari | Umberto Maglioli · Luciano Monteferrario | Ferrari 118L | — | | WSPR historical record |
| 1955 · Tourist Trophy, Dundrod | 8 | 5 | 8. S3.0 | Scuderia Ferrari | Umberto Maglioli · Maurice Trintignant · DNS - Olivier Gendebien | Ferrari 857 Monza | — | 79 | WSPR historical record |
| 1955 · Targa Florio | retired | 120 | S+2.0 | Scuderia Ferrari | Umberto Maglioli · Sergio Sighinolfi | Ferrari 750 Monza | — | 10 | WSPR historical record |
| 1954 · 1954 24 Hours of Le Mans | DNF | 3 | S 5.0 | Scuderia Ferrari | Umberto MaglioliUmberto Maglioli Paolo Marzotto | Ferrari 375 Plus | Ferrari 5.0L V12 | 88 | Wikipedia contributors · CC BY-SA 4.0 |
| 1954 · Buenos Aires 1000 Kilometres | 1 | 10 | 1. S+3.0 | Scuderia Ferrari | Giuseppe Farina · Umberto Maglioli | Ferrari 375 Plus Pin | — | 106 | WSPR historical record |
| 1954 · Sebring 12 Hours | entry_only | - | S5.0 | Scuderia Ferrari | Giuseppe Farina · Umberto Maglioli | Ferrari 375 Plus | — | | WSPR historical record |
| 1954 · 21. edizione Mille Miglia | retired | 545 | S+2.0 | Scuderia Ferrari | Umberto Maglioli | Ferrari 375 Plus | — | | WSPR historical record |
| 1954 · Carrera Panamericana | 1 | 19 | 1. S+1.5 | Erwin Goldschmidt | Umberto Maglioli | Ferrari 375 Plus Pin | — | 8 | WSPR historical record |
| 1953 · 1953 24 Hours of Le Mans | 38 | 30 | S 8.0 | Scuderia Lancia | Piero Taruffi · Umberto MaglioliPiero Taruffi Umberto Maglioli | Lancia D20 | Lancia 2.7L V6 Supercharged | 117 | Wikipedia contributors · CC BY-SA 4.0 |
| 1953 · Mille Miglia | retired | 619 | S+2.0 | Scuderia Lancia | Carnio · Umberto Maglioli | Lancia D20 | — | | WSPR historical record |
| 1953 · 24 H de Spa, Spa-Francorchamps | retired | 9 | S | Scuderia Ferrari | Umberto Maglioli · Piero Carini | Ferrari 375MM Pinin | — | | WSPR historical record |
| 1953 · 24 H de Spa, Spa-Francorchamps | source_section_running_in_practice | T | S | Scuderia Ferrari | Giuseppe Farina · Mike Hawthorn · Luigi Villoresi · Alberto Ascari · Umberto Maglioli · Piero Carini | Ferrari 375MM Pinin | — | | WSPR historical record |
| 1953 · ADAC 1000 Kilometres rennen, Nürburgring | did_not_start | 3 | S | Scuderia Ferrari | Umberto Maglioli · Piero Carini | Ferrari 375MM | — | | WSPR historical record |
| 1953 · Carrera Panamericana | retired | 12 | S+1.6 | Scuderia Guastalla | Umberto Maglioli · Piero Cassani | Ferrari 375MM Pinin | — | 4 | WSPR historical record |
| 1953 · Carrera Panamericana | 6 | 23 | 6. S+1.6 | Scuderia Guastalla | Mario Ricci · Umberto Maglioli · Forese Salviati | Ferrari 375MM Pinin | — | 8 | WSPR historical record |
