| 1st | 3 | Jim Hall / Hap Sharp | Chaparral 2A Chevrolet | Chaparral Cars | 2:57.6000 |
| 2nd | 4 | Ronnie Hissom / Bruce Jennings | Chaparral 2A Chevrolet | Chaparral Cars | 3:00.0000 |
| 3rd | 11 | Ken Miles / Bruce McLaren | Ford GT40 | Al Dowd | 3:07.8000 |
| 4th | 10 | Richie Ginther / Phil Hill | Ford GT40 | Ken Miles | 3:08.3000 |
| 5th | 23 | Dan Gurney / Jerry Grant | Lotus 19J Ford | All American Racers, Inc. | |
| 6th | 22 | John Cannon / Jack Saunders | Lola T70 Ford | Mecom Racing Team | |
| 7th | 30 | Pedro Rodriguez / Graham Hill | Ferrari 330 P | Mecom Racing Team (Ferrari Owners Racing Association) | 3:09.6000 |
| 8th | 26 | Bob Grossman / Skip Hudson | Ferrari 330 P | Scuderia Bear (Ferrari Owners Racing Association) | |
| 9th | 29 | Walt Hansgen / Mark Donohue | Ferrari 250 LM | Mecom Racing Team | |
| 10th | 31 | David Piper / Tony Maggs | Ferrari 250 LM | David Piper (Auto Racing) Ltd. | |
| 11th | 81 | Willy Mairesse / Mauro Bianchi | Ferrari 275 P | Fong Racing Associates (Ferrari Owners Racing Association) | |
| 12th | 27 | Charlie Kolb / John Fulp | Ferrari 330 P | John Fulp (Ferrari Owners Racing Association) | |
| 13th | 16 | Lew Spencer / Jim Adams / Phil Hill | Shelby Cobra Daytona Coupe | Shelby-American, Inc. | 3:14.0000 |
| 14th | 12 | Ed Leslie / Allen Grant | Shelby Cobra Daytona Coupe | Shelby-American, Inc. | |
| 15th | 15 | Bob Bondurant / Jo Schlesser | Shelby Cobra Daytona Coupe | Shelby-American, Inc. | |
| 16th | 32 | Ed Hugus / Tom O'Brien / Charlie Hayes / Paul Richards | Ferrari 275 P | Ed Hugus (Ferrari Owners Racing Association) | |
| 17th | 14 | Bob Johnson / Tom Payne | Shelby Cobra Daytona Coupe | Shelby-American, Inc. | |
| 18th | 33 | Umberto Maglioli / Giancarlo Baghetti | Ferrari 275 P | Kleiner Racing Enterprises (Ferrari Owners Racing Association) | |
| 19th | 38 | Gerhard Mitter / Herbert Linge | Porsche 904/8 | Porsche Automobile Co. | |
| 20th | 2 | George Wintersteen / Peter Goetz / Ed Diehl | Chevrolet Corvette Grand Sport | George Wintersteen | |
| 21st | 1 | Delmo Johnson / Dave Morgan | Chevrolet Corvette Grand Sport | Ridgeway Racing, Inc. | |
| 22nd | 21 | Sherman Decker / Oscar Koveleski | Cooper Monaco T61 Ford | Greenwich Autos, Inc. | |
| 23rd | 18 | Ed Lowther / Bob Nagel | Shelby Cobra | Ed Lowther | |
| 24th | 8 | Silvio Moser / Mario Casoni | Iso Grifo A3C Chevrolet | Bizzarini Automobili | 3:20.0000 |
| 25th | 9 | Charlie Rainville / Mike Gammino | Iso Grifo A3C Chevrolet | Bizzarini Automobili | |
| 26th | 35 | Skip Scott / Peter Clarke | Ferrari 250 GTO | Peter Clarke | |
| 28th | 40 | Lake Underwood / Günther Klass | Porsche 904 GTS | Porsche Automobile Co. | |
| 29th | 41 | Scooter Patrick / Dave Jordan | Porsche 904 GTS | Precision Motors | |
| 30th | 43 | Jack Ryan / Ted Tidwell | Porsche 904 GTS | R.B.M. Motors | |
| 31st | 20 | George Reed / Dan Gerber | Shelby Cobra | Gerber-Payne Ford | |
| 32nd | 44 | Briggs Cunningham / John Fitch / Bill Bencker | Porsche 904 GTS | Briggs Cunningham | |
| 33rd | 45 | George Barber / Peter Gregg | Porsche 904 GTS | Lt. Peter Gregg | |
| 34th | 17 | Dick Thompson / Graham Shaw | Shelby Cobra | Shaw Racing Team | |
| 35th | 56 | Roberto Bussinello / Andrea de Adamich | Alfa Romeo Giulia TZ | Autodelta S.p.A. | 3:31.0000 |
| 36th | 42 | David Lane / Chuck Cassel | Porsche 904 GTS | Carl W. Lindell Co. | |
| 37th | 61 | Clive Baker / Rauno Aaltonen | Austin-Healey Sebring Sprite | Donald Healey Motor Co. | 3:32.0000 |
| 38th | 57 | Bruno Deserti / Teodoro Zeccoli | Alfa Romeo Giulia TZ | Autodelta S.p.A. | |
| 39th | 6 | Don Yenko / John Bushell | Chevrolet Corvette Sting Ray | Ken Hablow | |
| 39th | 39 | Joe Buzzetta / Ben Pon | Porsche 904 GTS | Porsche Automobile Co. | |
| 40th | 58 | Jean Rolland / Bernard Consten | Alfa Romeo Giulia TZ | Autodelta S.p.A. | |
| 41st | 55 | Gaston Andrey / Chuck Stoddard | Alfa Romeo Giulia TZ | Autodelta S.p.A. | |
| 42nd | 63 | Richard Holquist / Millard Ripley | Abarth-Simca 1300 Bialbero | Scuderia Bear | |
| 43rd | 52 | Jack Walsh / Gordon Browne / Peter Keith | Ginetta G4R Ford | Ginetta Cars, Ltd. | |
| 44th | 34 | Paul Hawkins / Warwick Banks | Austin-Healey 3000 | Donald Healey Motor Co. | |
| 45th | 46 | Art Swanson / Robert Ennis | Abarth-Simca 2000 GT | Arthur A. Swanson | |
| 46th | 59 | Peter Pulver / Lance Pruyn / Newton Davis | Lotus Elan | Duchess Auto, Inc. | |
| 47th | 64 | John Norris / Roger Heftler | Lotus Elite | Crespi Motors | |
| 48th | 62 | Paddy Hopkirk / Timo Mäkinen | Austin-Healey Sebring Sprite | Donald Healey Motor Co. | |
| 49th | 49 | Frank Morrill / Merle Brennan | MGB | British Motor Corp. | |
| 50th | 48 | Brad Picard / Al Pease | MGB | British Motor Corp. | |
| 51st | 70 | Fred Baker / Bill Kirtley | Alpine A110 Renault | Fred J. Baker | |
| 52nd | 68 | Andrew Hedges / Roger Mac | MG Midget | British Motor Corp. | |
| 53rd | 82 | Chuck Tannlund / John Wagstaff | MG Midget | British Motor Corp. | |
| 54th | 66 | Bob Tullius / Charlie Gates | Triumph Spitfire | Standard Triumph, Inc. | |
| 55th | 69 | Frank Manley / Kenneth Sellers | Alpine A110 Renault | Societe des Automobiles Alpine | |
| 56th | 65 | Peter Bolton / Mike Rothschild | Triumph Spitfire | Standard Triumph, Inc. | |
| 57th | 53 | Ray Cuomo / John Bentley | Beach Mk.8 Ford | Competition Components, Inc. | |
| 58th | 54 | David McClain / Leland Dieas | Porsche 356 SC | David H. McClain | |
| 59th | 67 | Ed Barker / Duane Feuerhelm / Mike Rothschild | Triumph Spitfire | Standard Triumph, Inc. | |
| 60th | 51 | Art Riley / Nick Cone | Volvo P1800 | Art Riley | |
| 61st | 28 | Richard Robson / Art Baggely | Jaguar E-type | Richard B. Robson, Jr. | |
| 62nd | 5 | George Robertson / Dick Boo | Chevrolet Corvette Sting Ray | George Robertson Jr. | |
| 63rd | 25 | Dave Hull / Bob Kingham | Jaguar E-type | Jaguar Car, Inc. | |
| 64th | 50 | Richard Wrottesley / Trevor Taylor | Elva Mk VIII BMW | Abglian Racing Dev. | |
| 65th | 71 | Howard Hanna / Richard Toland | René Bonnet Djet Renault | Howard Hanna | |
| 66th | 37 | M. Barry Martin / Craig Hill | Triumph TR4 | M. Barry Martin | |
| 67th | 60 | Al Rogers / George Waltman | Turner Sprint Special | Turner Cars, Ltd. | |