| Pos |
No |
Pilote |
Voiture |
Temps |
| 66 | 86 | Ronald D.Polimeni/Robert Theall | Volvo 122S | 3:52,380 |
| 1 | 19 | Mario Andretti/Arturo Merzario | Ferrari 512S Spyder | 2:33,500 |
| 2 | 14 | Jo Siffert/Brian Redman/Leo Kinnunen | Porsche 917K | 2:34,470 |
| 3 | 16 | Vic Elford/Kurt Ahrens Jr | Porsche 917K | 2:35,420 |
| 4 | 20 | Jacky Ickx/Peter Schetty | Ferrari 512S | 2:36,230 |
| 5 | 15 | Pedro Rodriguez/Leo Kinnunen | Porsche 917K | 2:36,310 |
| 6 | 24 | Sam Posey/Ronnie Bucknum/Bert Everett | Ferrari 512S Spyder | 2:36,480 |
| 7 | 21 | Ignazio Giunti/Nino Vaccarella | Ferrari 512S | 2:36,600 |
| 8 | 35 | Dan Gurney/François Cevert | Matra-Simca MS650 | 2:37,440 |
| 9 | 31 | Piers Courage/Andrea de Adamich | Alfa Romeo T33/3 | 2:38,470 |
| 10 | 34 | Henri Pescarolo/Johnny Servoz-Gavin | Matra-Simca MS650 | 2:39,500 |
| 11 | 17 | Hans Herrmann/Rudi Lins | Porsche 917K | 2:40,320 |
| 12 | 32 | Rolf Stommelen/Nanni Galli | Alfa Romeo T33/3 | 2:40,780 |
| 13 | 33 | Toine Hezemans/Masten Gregory | Alfa Romeo T33/3 | 2:41,370 |
| 14 | 22 | Mike Parkes/Chuck Parsons | Ferrari 312P Coupé | 2:42,190 |
| 15 | 48 | Steve McQueen/Peter Revson | Porsche 908/02 | 2:42,750 |
| 16 | 23 | Tony Adamowicz/Luigi Chinetti Jr | Ferrari 312P Coupé | 2:43,100 |
| 17 | 47 | Hans Laine/Gijs van Lennep | Porsche 908/02 | 2:44,170 |
| 18 | 45 | Richard Attwood/Gérard Larrousse | Porsche 908/02 | 2:46,430 |
| 19 | 27 | Mike De Udy/Mike Hailwood | Lola T70 Mk.3B | 2:50,710 |
| 20 | 30 | Piers Forrester/Andrew Hedges | Ford GT40 | 2:52,200 |
| 21 | 61 | Jim Baker/Clive Baker | Chevron B16 Ford | 2:54,730 |
| 22 | 26 | Bobby Brown/Gregg Young/Robin Ormes | Lola T70 Mk.3B | 2:57,060 |
| 23 | 2 | Jerry Thompson/John Mahler | Chevrolet Corvette | 2:57,360 |
| 24 | 62 | Brian Robinson/Hugh Kleinpeter | Chevron B16 Ford | 2:59,020 |
| 25 | 1 | Tony DeLorenzo/Dick Lang | Chevrolet Corvette | 2:59,680 |
| 26 | 29 | Ray Heppenstall/Francis C.Grant | Ford GT40 | 3:00,180 |
| 27 | 4 | John Greenwood/Allan Barker | Chevrolet Corvette | 3:00,230 |
| 28 | 3 | Bob Johnson/Robert R.Johnson/Jim Greendyke | Chevrolet Corvette | 3:02,840 |
| 29 | 5 | Bill Schumacher/Bill Petree | Chevrolet Corvette | 3:03,075 |
| 30 | 41 | Larry Bock/Larry Dent | Chevrolet Camaro | 3:06,600 |
| 31 | 9 | Bob Grossman/Don Yenko | Chevrolet Camaro | 3:06,890 |
| 32 | 43 | John Tremblay/Bill McDill | Chevrolet Camaro | 3:07,150 |
| 33 | 40 | Vince Gimondo/Chuck Dietrich | Chevrolet Camaro | 3:07,380 |
| 34 | 50 | Mike Rahal/Hugh Wise/Werner Frank | Porsche 906 | 3:07,400 |
| 35 | 8 | Dave Heinz/Or Costanzo | Chevrolet Corvette | 3:07,470 |
| 36 | 51 | Stephen Behr/Merv Rosen | Porsche 906 | 3:11,600 |
| 37 | 25 | Harley Cluxton/Wilbur Pickett | Ferrari 365 GTB/4 | 3:15,940 |
| 38 | 38 | Don Kearney/Joie Chitwood | Chevrolet Camaro | 3:14,710 |
| 39 | 49 | Sepp Greger/Andreas Schmalbach | Porsche 910 | 3:16,550 |
| 40 | 67 | Jim Bandy/Fred Stevenson | Lotus Europa | 3:17,030 |
| 41 | 54 | Anatoly Arutunoff/Bill Pryor | Abarth 2000SP | 3:17,130 |
| 42 | 92 | Don Gwynne Jr/John Elliott | Chevrolet Camaro | 3:17,380 |
| 43 | 63 | Carlos Fabre/Pepe Aguilar | Chevron B8 BMW | 3:18,010 |
| 44 | 53 | Peter Gregg/Pete Harrison | Porsche 911T | 3:18,330 |
| 45 | 39 | Charlie Kemp/Bob Mitchell | Chevrolet Camaro | 3:19,030 |
| 46 | 77 | Bruce Jennings/Bob Tullius | Porsche 911T | 3:19,970 |
| 47 | 91 | Jim Corwin/Donna Mae Mims | Chevrolet Camaro | 3:21,980 |
| 48 | 37 | Vincent P.Collins/Larry Wilson | Ford Mustang | 3:22,780 |
| 49 | 52 | Jacques Duval/Bob Bailey/George Nicholas | Porsche 911T | 3:23,100 |
| 50 | 73 | Janet Guthrie/Rosemary Smith/Judy Kondratiff | Austin-Healey Sprite | 3:24,200 |
| 51 | 36 | Ray Cuomo/Bernard Gimbel/George Lissberg | Ford Mustang | 3:26,360 |
| 52 | 74 | Ralph Meaney/Bill Bean | Porsche 911T | 3:28,290 |
| 53 | 59 | Reggie Smith Jr/Dean Donley/Omar Buttari | MG Midget | 3:28,940 |
| 54 | 7 | Bruce Morehead/Milo Vega | AMC AMX | 3:30,340 |
| 55 | 56 | Jon Woodner/Dan O'Connor | MG Midget | 3:32,680 |
| 56 | 57 | John Belperche/Jim Gammon/Ray Mummery | MGB | 3:34,260 |
| 57 | 55 | Merle Brennan/Logan Blackburn | MGB | 3:34,600 |
| 58 | 58 | Ben Scott/Dave Houser/Lowell Lanier | MGB | 3:39,570 |
| 59 | 82 | Robert Clark/Wayne Marsula | Lancia Fulvia HF | 3:39,620 |
| 60 | 80 | Rod Kennedy/Mike Tillson/Robert Samm | Lancia Fulvia HF | 3:43,180 |
| 61 | 97 | Walter Brown/Joe Marcus/Jim R.Sandman | BMW 2002 | 3:45,380 |
| 62 | 79 | Del Russo Taylor/Buzz Dyer/Hank Sheldon | Alfa Romeo 1750 GTV | 3:46,790 |
| 63 | 18 | Paul Pettey/Roy Hallquist | Ford Mustang | 3:47,090 |
| 64 | 87 | Robert Whitaker/Harvey Eckoff/Jack Slottag | Volvo 122S | 3:47,170 |
| 65 | 60 | Robert Kilpatrick/Don Goodrich | MGB | 3:51,100 |
| 67 | 88 | Paul Fleming/Amos Johnson/Bill Bowers | Fiat 124 | 3:53,240 |
| 68 | 69 | Paul Spruell/Wilbur Pickett | Alfa Romeo Giulia Spider | 3:57,900 |
| 69 | 46 | Gerhard Koch/Gérard Larrousse/Richard Attwood | Porsche 908/02 | inconnu |
|
12 Heures de Sebring 1970