| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 | Hurley Haywood John Graves Dave Helmick | 43 | Écurie Escargot | Porsche Carrera RSR 911 560 9112 | 681 | 16,900 | running | |
| 2 | 5 | Carlo Facetti Martino Finotto Romeo Camathias | 3 | Jolly Club | Porsche 935 930 770 0902 | 679 | 3,050 | running | |
| 3 | 2 | Reinhold Jöst Bob Wollek Albrecht Krebs | 8 | Erwin Kremer | Porsche 935 930 770 0903 | 670 | running | ||
| 4 | 21 | George Dyer Brad Frisselle | 30 | George Dyer | Porsche Carrera RSR 911 460 9048 | 663 | running | ||
| 5 | 22 | Elliott Forbes-Robinson Paul Newman Milt Minter | 64 | Ramsey Ferrari/Modena Sports Car | Ferrari 365 GTB/4 14437 | 631 | 4,100 | running | |
| 6 | 34 | Luis Sereix John Carusso Emory Donaldson | 48 | Autodyne | Chevrolet Corvette | 628 | 3,000 | running | |
| 7 | 31 | Bob Hindson Frank Carney Dick Davenport | 42 | Bob Hindson | Porsche 911S | 624 | running | ||
| 8 | 41 | Richard Weiss Bill Alsup Ray Gage | 28 | Richard Weiss | Porsche 911S | 596 | running | ||
| 9 | 37 | Charles Mendez Dave Cowart Dave Panaccione | 07 | Charles Mendez | Porsche 911T | 591 | running | ||
| 10 | 7 | Peter Gregg Jim Busby | 61 | Brumos Racing | Porsche 934 930 670 0175 | 590 | running | ||
| 11 | 36 | Rusty Bond Ren Tilton John Thomas | 60 | Bond/Tilson | Porsche 911S | 586 | running | ||
| 12 | 51 | Raymond Mummery Jack Refenning Ralph Noseda | 27 | Jack Refenning | Porsche 911S | 581 | running | ||
| 13 | 18 | Diego Febles Mandy Gonzalez Hiram Cruz | 58 | Diego Febles | Porsche Carrera RSR 911 460 9054 | 537 | running | ||
| 14 | 49 | Clark Howey David Crabtree Dale Koch | 73 | Howey Farms | Chevrolet Corvette | 515 | running | ||
| 15 | 40 | John Higgins Chip Mead Dave White | 71 | Foreign Exchange | Porsche 911 | 508 | running | ||
| 16 | 50 | Amos Johnson Dennis Shaw Steve Anderson | 6 | Amos Johnson | AMC Gremlin | 506 | running | ||
| 17 | 45 | Jack Swanson Terry Wolters | 18 | Terry Wolters | Chevrolet Camaro | 484 | running | ||
| 18 | 44 | Al Levenson Dan Rice Guido Levetto | 02 | Al Levenson | Chevrolet Corvette | 475 | 700 | running | |
| 19 | 23 | Burt Greenwood Rick Mancuso John Cargill Dave Heinz | 77 | Rick Mancuso | Chevrolet Corvette Greenwood 007 | 470 | running | ||
| 20 | 33 | M.L. Speer Windle Turley Hal Sahlman | 10 | Race Car | Porsche 911S | 464 | running | ||
| 21 | 1 | Jacky Ickx Jochen Mass Jürgen Barth | 1 | Martini Racing | Porsche 935 002 | 452 | puncture | ||
| 22 | 46 | Ara Dube Harro Zitza Joe Castellano | 33 | Ara Dube | Porsche 911 | 441 | running | ||
| 23 | 52 | Tom Waugh John Rulon-Miller Bob Punch | 50 | Tom Waugh | AMC Hornet | 394 | running | ||
| 24 | 25 | Bill Arnold Carl Thompson Billy Hagan | 72 | Bill Arnold | Chevrolet Corvette | 378 | running | ||
| 25 | 43 | George Drolsom Bill Scott Tom Bagley | 34 | George Drolsom | Porsche 911S | 377 | did not finish | ||
| 26 | 9 | John Fitzpatrick Kenper Miller Paul Miller | 47 | BMW North America | BMW 3.5 CSL | 368 | engine | ||
| 27 | 53 | Bob Fryer Richard Bostyan Ed Lowther | 13 | University of Pittsburgh | AMC Javelin | 366 | running | ||
| 28 | 26 | Klaus Bytzek Harry Bytzek Rudy Bartling | 9 | Bytzek Brothers | Porsche Carrera RSR | 343 | did not finish | ||
| 29 | 3 | Jean Rondeau Jean-Pierre Beltoise Al Holbert | 20 | Inaltera | Inaltera 001/Ford | 336 | suspension | ||
| 30 | 10 | Jim Trueman Jerry Thompson Don Yenko | 05 | Red Roof Inns | Chevrolet Monza | 300 | did not finish | ||
| 31 | 29 | Tony Adamowicz John Cannon Dick Barbour | 66 | Ramsey Ferrari/Modena Sports Car | Ferrari 365 GTB/4 15685 | 286 | did not finish | ||
| 32 | 14 | Gene Felton Buzz Cason James Reeve | 96 | Clay Young | Chevrolet Camaro | 251 | did not finish | ||
| 33 | 30 | Adrian Gang W.K. Gonzalez Tim Duke Peter Papke | 70 | Michael Callas | Porsche Carrera RSR | 247 | did not finish | ||
| 34 | 8 | Al Holbert Michael Keyser Claude Ballot-Léna | 14 | Holbert Racing | DeKon Monza 1014/Chevrolet | 246 | head gasket | ||
| 35 | 35 | John Paul John O'Steen Bob Hagestad | 38 | John Paul | Porsche Carrera RSR 911 460 9113 | 217 | did not finish | ||
| 36 | 32 | Maurico DeNarvaez Albert Naon Don Freyre | 46 | Mauricio DeNarvaez | Porsche Carrera RSR | 199 | did not finish | ||
| 37 | 20 | Phil Currin Rob Hoskins Peter Knab | 99 | Phil Currin | Chevrolet Corvette | 196 | engine | ||
| 38 | 39 | Wiley Doran Jim Barnett Charles Pelz | 39 | Wiley Doran | Chevrolet Corvette | 191 | did not finish | ||
| 39 | 59 | Andre Sepelon Bob Lee Larry Parker | 40 | Robert V. LaMay | Ford Mustang | 180 | did not finish | ||
| 40 | 16 | Tom Frank Carl Shafer | 24 | Executive Industries | Porsche Carrera RSR 911 460 9056 | 178 | did not finish | ||
| 41 | 19 | David Hobbs Ronnie Peterson Sam Posey | 2 | BMW North America | BMW 320i | 177 | engine | ||
| 42 | 13 | Herb Jones Jr. Steve Faul | 41 | Jones Ind. Racing | Chevrolet Camaro | 154 | did not finish | ||
| 43 | 11 | Rick Thompkins Dave Heinz Lamar Mann | 55 | Rick Thompkins | Chevrolet Corvette | 151 | engine | ||
| 44 | 48 | Sam Fillingham Mike Williamson K.P. Jones | 49 | Sam Fillingham | Chevrolet Corvette | 117 | did not finish | ||
| 45 | 47 | Russ Boykin C.C. Canada Sam Henderson | 84 | Lenton B. McGill | Chevrolet Camaro | 106 | did not finish | ||
| 46 | 54 | Anatoly Arutunoff José Marina Brian Goellnicht | 7 | Hallet Motor Racing Circuit | Lancia Stratos | 99 | fuel system | ||
| 47 | 15 | Babe Headley Sam Feinstein Skip Panzarella | 78 | Babe Headley | Chevrolet Corvette | 85 | did not finish | ||
| 48 | 4 | Christine Beckers Lella Lombardi Jean Rondeau | 21 | Inaltera | Inaltera 002/Ford | 78 | accident | ||
| 49 | 17 | Ted Field Jon Woodner Howdy Holmes Danny Ongais | 63 | Ted Field | Porsche Carrera RSR | 72 | accident | ||
| 50 | 57 | Bill Boye Jere Gillan | 36 | Bill Boye | AMC Gremlin | 60 | did not finish | ||
| 51 | 56 | Ralph Tolman Mike Brockman Sam Sommers | 98 | Ralph Tolman | Lotus Europa | 50 | did not finish | ||
| 52 | 28 | Carmon Solomone Fred Lang Buzz Fyhrie | 80 | Carmon Solomone | Chevrolet Camaro | 48 | did not finish | ||
| 53 | 38 | Robert Kirby John Hotchkis Dennis Aase | 51 | Kirby-Hitchcock Racing | Porsche 914/6 | 47 | engine | ||
| 54 | 6 | Danny Ongais George Follmer Ted Field | 00 | Ted Field | Porsche GTP 911 460 9102 R13 | 35 | piston | ||
| 55 | 42 | Bob Bergstrom Jim Cook | 01 | Sports Ltd. Racing | Porsche 911 | 29 | did not finish | ||
| 56 | 58 | Vince Gimondo Tim Chitwood | 17 | Tim Chitwood | Chevrolet Nova | 20 | did not finish | ||
| 57 | 55 | Bruno Beilcke Alf Gebhardt | 03 | Bavarian Motors International | BMW 2002 | 8 | did not finish | ||
| 58 | 24 | Roy Woods John Morton Bobby Carradine | 65 | Ramsey Ferrari/Modena Sports Car | Ferrari 365 GTB/4 16407 | 0 | did not start | 0 | |
| 59 | 27 | Peter Papke Pierre Laffeach Jerry Jolly Michael Callas | 79 | Michael Callas | Porsche Carrera | 0 | did not start | 0 | |
| 60 | 60 | Dale Kreider Bob DeMarco | 04 | Bill Nelson | Pontiac Astre | 0 | did not start | 0 |