| 1 | Salvadori / Shelby | David Brown-Aston Martin (GB) | David Brown | Aston Martin | DBR1 | /300 | Aston Martin | S3.0 | |
| 2 | Bueb / Moss / *Boss | The Lister Corp. (GB) | | Lister | Costin | | Jaguar | S3.0 | |
| 3 | Hansgen / Thompson | B. S. Cunningham (USA) | | Lister | Knobbly | | Jaguar | S3.0 | |
| 4 | Cunningham / Underwood / Boss / Moss | B. S. Cunningham (USA) | Briggs Cunningham | Lister | Knobbly | | Jaguar | S3.0 | |
| 5 | Lawrence / Cook / Durbin | Rallye Motors (USA) | | Maserati | 300S | | Maserati | S3.0 | |
| 7 | Gurney / Daigh / Hill / Gendebien | Scuderia Ferrari (I) | Enzo Ferrari | Ferrari | 250 TR | Fantuzzi Spyder 59 | Ferrari | S3.0 | |
| 8 | Gendebien / Hill / *Daigh | Scuderia Ferrari (I) | Enzo Ferrari | Ferrari | 250 TR | Fantuzzi Spyder 59 | Ferrari | S3.0 | |
| 9 | Behra / Allison | Scuderia Ferrari (I) | Enzo Ferrari | Ferrari | 250 TR | Fantuzzi Spyder 59 | Ferrari | S3.0 | |
| 10 | Carveth / Geitner | North American Racing Team (USA) | Luigi Chinetti | Ferrari | 250 TR | Scaglietti Spyder 58 | Ferrari | S3.0 | |
| 11 | Rodriguez / O'Shea | Mexican National Auto Club (MEX) | Pedro Rodriguez | Ferrari | 250 TR | Scaglietti Spyder | Ferrari | S3.0 | |
| 12 | Martin / Reventlow / *Kimberly | E. D. Martin (USA) | Edwin D. Martin | Ferrari | 250 TR | Scaglietti Spyder 58 | Ferrari | S3.0 | |
| 14 | Lunken / Pabst / Andrey | James Johnston (USA) | James Johnston | Ferrari | 250 TR | Scaglietti Spyder 58 | Ferrari | S3.0 | |
| 15 | Gómez Mena / Montalvo | Auto Sport Club, Havana (C) | | Ferrari | 250 GT | LWB TdF | Ferrari | GT3.5 | Grand Touring |
| 16 | Reed / O'Dell / Arents | RRR Enterprises (USA) | | Ferrari | 250 GT | LWB Berlinetta TdF | Ferrari | GT3.5 | Grand Touring |
| 17 | Forlong / Sheppard / Schiff | Joe Sheppard-David Schiff (USA) | | Aston Martin | DB2/4 | Mk III | Aston Martin | GT3.5 | Grand Touring |
| 18 | Hall / Sharp / *Byron | Carroll Shelby Sports Cars (USA) | | Maserati | 200S | I | Maserati | S2.0 | |
| 18T | Sharp / Hall / Byron | Carroll Shelby Sports Cars (USA) | | Maserati | 250S | | Maserati | S3.0 | |
| 19 | Casner / Hunt | North American Racing Team (USA) | Lloyd Casner | Ferrari | 250 TR | Scaglietti Spyder 58 | Ferrari | S3.0 | |
| 19T | Casner / Hunt / Collins | North American Racing Team (USA) | | Ferrari | 500 TRC | | Ferrari | S2.0 | |
| 20 | Samm / Bentley / Moore | Standard Triumph Motor Co. (USA) | | Triumph | TR3 | | Triumph | GT2.0 | Grand Touring |
| 21 | Kolb / Moore / Hobbs | Standard Triumph Motor Co. (USA) | | Triumph | TR3 | | Triumph | GT2.0 | Grand Touring |
| 22 | Rothschild / McNeill | Fergus Motors (Morgan M.) (USA) | | Morgan | Plus 4 | | Triumph | GT2.0 | Grand Touring |
| 23 | Rix / Rahal / Avent | A.C. Cars, Ltd. (GB) | | AC | Ace | | Bristol | GT2.0 | Grand Touring |
| 23T | Rix / Rahal / *Avent | A.C. Cars, Ltd. (GB) | | AC | Ace | | Bristol | GT2.0 | Grand Touring |
| 24 | Means / Kurtz / Wees | A.C. Cars, Ltd. (GB) | | AC | Ace | | Bristol | GT2.0 | Grand Touring |
| 25 | Burns / Jackson-Moore / Cook | A.C. Cars, Ltd. (GB) | | AC | Ace | | Bristol | GT2.0 | Grand Touring |
| 26 | Goldman / Arnolt / Durbin | S. H. Arnolt (USA) | | Arnolt-Bristol | Bolide | | Bristol | GT2.0 | Grand Touring |
| 27 | Entwistle / Hanna | Autosport, Ltd. (CDN) | | Lotus | 15 | | Climax | S2.0 | |
| 28 | Saidel / Ehrman | Hambro Auto Corp. (USA) | | MG | A | Twin Cam | BMC | GT1.6 | Grand Touring |
| 29 | Dalton / Parkinson | Hambro Auto Corp. (USA) | | MG | A | Twin Cam | BMC | GT1.6 | Grand Touring |
| 30 | Pickering / Flaherty / Decker | Hambro Auto Corp. (USA) | | MG | A | Twin Cam | BMC | GT1.6 | Grand Touring |
| 31 | von Trips / Bonnier | Porsche Auto Co. (D) | | Porsche | 718 | RSK | Porsche | S2.0 | |
| 32 | Fitch / Barth | Porsche Auto Co. (D) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 33 | von Hanstein / de Beaufort | Porsche Auto Co. (D) | | Porsche | 356 | A 1600 GS Carrera GT Coupé | Porsche | GT1.6 | Grand Touring |
| 34 | Holbert / Sesslar | Cyrus L. Fulton (USA) | Cyrus Fulton | Porsche | 718 | RSK | Porsche | S1.5 | |
| 35 | McAfee / Miles | Precision Motors (USA) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 36 | Mières / von Döry / von Döry | Count von Dory (RA) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 37 | Erickson / Hugus | Chester J. Flynn (USA) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 38 | Haas / Campbell / Middleton | Automobile OSCA (I) | | Osca | S | 1500 | Osca | S1.5 | |
| 39 | Lucas / Malle | Los Amigos (F) | | Cooper | Monaco | T49 | Climax | S1.5 | |
| 40 | Moran / Rand | Charles Moran, Jr. (USA) | | Lotus | Eleven | Le Mans | Climax | S1.5 | |
| 41 | Van Beuren / Velasquez / Mercader | Fred T. van Beuren (MEX) | | Alfa Romeo | Giulietta Veloce | | Alfa Romeo | GT1.3 | Grand Touring |
| 42 | Rubin / Grossman / Comito | Robert Grossman (USA) | | Alfa Romeo | Giulietta Veloce | | Alfa Romeo | GT1.3 | Grand Touring |
| 43 | Pfaff / Comito / Kramarsky / O'Brien | Louis Comito (USA) | | Alfa Romeo | Giulietta Spider Veloce | | Alfa Romeo | GT1.3 | Grand Touring |
| 44 | Kaplan / Rainville | Jake Kaplan (USA) | | Alfa Romeo | Giulietta Spider Veloce | | Alfa Romeo | GT1.3 | Grand Touring |
| 45 | Lovely / Chamberlain / Weiss / *Chapman | Team Lotus (GB) | Colin Chapman | Lotus | Elite | | Climax | GT1.3 | Grand Touring |
| 46 | Chamberlain / Weiss | Team Lotus (GB) | Jay Chamberlain | Lotus | Elite | | Climax | GT1.3 | Grand Touring |
| 47 | Fleming / Schade / Dager | Team Lotus (GB) | | Lotus | Eleven | | Climax | S1.1 | |
| 48 | Baptista / Wallace / Tweedale | Elva Engineering Co. (GB) | | Elva | Mk IV | | Climax | S1.1 | |
| 49 | Martin / Jordan / Dietrich | Elva Engineering Co. (GB) | | Elva | Mk IV | | Climax | S1.1 | |
| 50 | Wyllie / Lange / Wyllie | M. R. J. Wyllie (USA) | | Elva | Mk IV | | Climax | S1.1 | |
| 51 | Blanchard / Callanan / *Anderson | Harry C. Blanchard (USA) | | Lancia | Appia | Zagato | Lancia | GT1.3 | Grand Touring |
| 52 | Baumberger / Rohlfs / Cronkite | Charles Kreisler (USA) | | Lancia | Appia | Zagato | Lancia | GT1.3 | Grand Touring |
| 53 | Leavens / Kunz / *Colgate / *Sutherland | Hambro Auto Corp. (USA) | | Austin-Healey | Sprite | Hardtop | BMC | GT1.0 | Grand Touring |
| 54 | Stiles / Sutherland / *Kunz | Hambro Auto Corp. (USA) | | Austin-Healey | Sprite | Hardtop | BMC | GT1.0 | Grand Touring |
| 55 | Hayes / Christy / Colgate | Hambro Auto Corp. (USA) | | Austin-Healey | Sprite | Hardtop | BMC | GT1.0 | Grand Touring |
| 56 | Rodriguez / Bott | Automobile OSCA (I) | | Osca | S | 950 | Osca | S1.1 | |
| 57 | Hanna / Toland | Deutsch & Bonnet (F) | | DB | HBR | 5 | Panhard | GT1.0 | Grand Touring |
| 58 | Perrier / Wood | Deutsch & Bonnet (USA) | | DB | HBR | 4 | Panhard | S750 | |
| 59 | Laureau / Armagnac | Deutsch & Bonnet (F) | | DB | HBR | 4 | Panhard | S750 | |
| 60 | de Tomaso / McCluggage / Haskell / Rodriguez | Alejandro de Tomaso (RA) | Alejandro de Tomaso | Osca | S | 750 | Osca | S750 | |
| 61 | Markelson / Makins | Automobile OSCA (I) | Robert Publicker | Osca | S | 750 | Osca | S750 | |
| 62 | Cussini / Cattini | Roosevelt Auto Co. Inc. (USA) | Franklin D. Rosevelt, Jr. | Fiat-Abarth | 750 Record Monza | | Fiat | GT750 | Grand Touring |
| 63 | Poltronieri / Thiele / *Norwood | Roosevelt Auto Co. Inc. (USA) | Franklin D. Rosevelt, Jr. | Fiat-Abarth | 750 Record Monza | | Fiat | GT750 | Grand Touring |
| 64 | Rutan / Cuomo / Richards | Roosevelt Auto Co. Inc. (USA) | Franklin D. Rosevelt, Jr. | Fiat-Abarth | 750 Record Monza | | Fiat | GT750 | Grand Touring |
| 65 | Kuhn / Jeffords / *Schrafft | George F. Schrafft (USA) | | Fiat-Abarth | 750 Record Monza | | Fiat | GT750 | Grand Touring |
| 66 | Roloson / MacArthur | Sandy MacArthur (USA) | | Stanguellini | S750 | Bialbero | Fiat | S750 | |
| 70 | Hively / Ginther | Scuderia Ferrari (I) | Enzo Ferrari | Ferrari | 250 GT | California Spyder | Ferrari | GT3.5 | Grand Touring |
| 72 | Art Bunker | Art Bunker Motors (USA) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 73 | Cunningham / Underwood | B. S. Cunningham (USA) | | Porsche | 718 | RSK | Porsche | S1.5 | |
| 75 | Durant / Peck | Ross Durant, Jr. (USA) | | Alfa Romeo | Giulietta Spider Veloce | | Alfa Romeo | GT1.3 | Grand Touring |
| 78 | Oakes / Oakes / Bethell | Bahamas Auto Club (BS) | Sydney Oakes | Austin-Healey | Sprite | Hardtop | BMC | GT1.0 | Grand Touring |
| 80 | Lieb / Drolet | Turner Sports Cars, Ltd. (USA) | | Turner | 950 Sports | | BMC | GT1.0 | Grand Touring |
| 82 | John Fulp | John Fulp (USA) | John Fulp | Ferrari | 250 TR | Scaglietti Spyder 58 | Ferrari | S3.0 | |