| 1st | 51 | Rolf Stommelen / Harald Grohs / Howard Meister | Porsche 935 M16 | Andial Racing/Meister Homes | 1:43.1040 |
| 2nd | 1 | John Fitzpatrick / Jim Busby / Bob Wollek | Porsche 935 K3/80 | John Fitzpatrick Racing | 1:44.7350 |
| 3rd | 6 | Volkert Merl / Jochen Mass | Porsche 935J | Joest Racing | 1:46.1350 |
| 4th | 86 | Hurley Haywood / Jürgen Barth / Bruce Leven | Porsche 935/80 | Bayside Disposal/Brumos Racing | 1:46.3220 |
| 5th | 18 | John Paul / John Paul, Jr. | Porsche 935 JLP-2 | JLP Racing | 1:46.8890 |
| 6th | 10 | Carlo Facetti | Ferrari 308 GTB Turbo | Jolly Club | 1:46.9140 |
| 7th | 30 | Gianpiero Moretti / Charles Mendez / Mauricio DeNarvaez | Porsche 935J | Momo/Penthouse | 1:46.9500 |
| 8th | 5 | Bob Akin / Craig Siebert / Derek Bell | Porsche 935 K3 | Bob Akin Motor Racing | 1:47.5030 |
| 9th | 94 | Don Whittington / Bill Whittington / Dale Whittington | Porsche 935 K3 | Whittington Brothers | 1:48.8980 |
| 10th | 0 | Ted Field / Milt Minter / Danny Ongais | Porsche 935 K3/80 | Interscope Racing | 1:45.5750 |
| 11th | 3 | Riccardo Patrese / Hans Heyer / Henri Pescarolo | Lancia Beta Montecarlo Turbo | Martini Lancia Racing | 1:49.4300 |
| 12th | 80 | Maurice Carter / Eppie Wietzes / Richard Valentine | Chevrolet Camaro | Maurice Carter Racing | 1:50.0380 |
| 13th | 20 | Chris Cord / Jim Adams | Chevrolet Monza Turbo | Chris Cord Racing | 1:50.6100 |
| 14th | 4 | Michele Alboreto / Piercarlo Ghinzani / Beppe Gabbiani | Lancia Beta Montecarlo Turbo | Martini Lancia Racing | 1:51.1620 |
| 15th | 09 | Preston Henn / Bob Bondurant | Porsche 935 K3 | Thunderbird Swap Shop | 1:51.1670 |
| 16th | 9 | Bob Garretson / Bobby Rahal / Brian Redman | Porsche 935 K3/80 | Garretson Racing/Style Auto | 1:51.2590 |
| 17th | 07 | Ludwig Heimrath / Ludwig Heimrath, Jr. | Porsche 935 | Heimrath Racing | 1:51.3650 |
| 18th | 44 | Terry Labonte / David Pearson | Chevrolet Camaro | Stratagraph | 1:53.9450 |
| 19th | 14 | Hans-Joachim Stuck / Alf Gebhardt / Walter Brun | BMW M1 | Bavarian Motors International | 1:54.1220 |
| 20th | 2 | David Hobbs / Marc Surer / Dieter Quester | BMW M1 | BMW Motorsport | 1:55.4800 |
| 21st | 24 | Emanuele Pirro / Martino Finotto / Carlo Facetti | Lancia Beta Montecarlo Turbo | Jolly Club | 1:57.0510 |
| 22nd | 25 | Kenper Miller / Dave Cowart / Ricardo Londono | BMW M1 | Red Lobster Racing | 1:57.1080 |
| 23rd | 65 | Tony Adamowicz / Rick Knoop | Ferrari 512 BB | Prancing Horse Farms Racing | 1:57.6640 |
| 24th | 84 | "Jamsal" / Eduardo Barrientos / Carlos Gonzalez | Porsche 935 M16 | Scorpio Racing Team | 1:57.7500 |
| 25th | 37 | Pepe Romero / Mandy Gonzalez / Luis Mendez | Porsche 935 M16 | Pepe Romero | 1:57.9640 |
| 26th | 11 | Al Holbert / Rick Mears / Doc Bundy | Porsche 924 Carrera GTR Turbo | Holbert Racing | 1:58.5970 |
| 27th | 40 | Rudy Bartling / Mike Freberg / David Deacon | BMW M1 | David Deacon Racing | 1:58.9900 |
| 28th | 99 | Dave Heinz / Chris Gleason / Joe Cogbill | Chevrolet Camaro | Gassaway/Oftedahl Racing | 1:59.7820 |
| 29th | 17 | Bruno Beilcke / Kurt König / Rudi Walch | BMW 3.5 CSL | Bavarian Motors International | 2:00.9990 |
| 30th | 82 | Bob Bergstrom / John Casey / Jim Cook | Mazda RX-7 | Trinity Racing | 2:02.5560 |
| 31st | 62 | Bill Koll / Jeff Kline / Rob McFarlin | Porsche 911 SC | Kegel Enterprises | 2:02.6030 |
| 32nd | 98 | Lee Mueller / Kathy Rude / Philippe Martin | Mazda RX-7 | Kent Racing | 2:02.7500 |
| 33rd | 7 | Walt Bohren / Jim Mullen / J. Kurt Roehrig | Mazda RX-7 | Kent Racing | 2:02.7960 |
| 34th | 54 | Tony Garcia / Albert Naon / Luis Sereix | Porsche Carrera RSR | Montura Racing | 2:03.3810 |
| 35th | 04 | Tico Almeida / Rene Rodriguez / Miguel Morejon | Porsche Carrera RSR | T & R Racing | 2:03.4620 |
| 36th | 46 | Honorato Espinosa / Pedro DeNarvaez / Jorge Cortes | Porsche 911 Carrera RSR | DeNarvaez Ent. | 2:04.3480 |
| 37th | 78 | Clark Howey / Tracy Wolf / Dale Koch | Chevrolet Camaro | Wolf Engines | 2:04.4650 |
| 38th | 58 | Pete Smith / Chuck Kendall / Steve Earle | Porsche Carrera RSR | Charles Kendall | 2:04.6420 |
| 39th | 87 | George Stone | Porsche Carrera RSR | Bob Beasley | 2:05.1850 |
| 40th | 03 | Angelo Pallavicini / John Sheldon / Neil Crang | Porsche 934 | Angelo Pallavicini | 2:05.2760 |
| 41st | 36 | Paul Miller / Pat Bedard / Skeeter McKitterick | Porsche 924 Carrera GTR Turbo | Herman & Miller P+A | 2:05.5690 |
| 42nd | 23 | Dick Davenport / Frank Carney / Rameau Johnson | Datsun 280ZX | The New Raytown Datsun | 2:05.8290 |
| 43rd | 66 | Jack Dunham / John Maffucci | Mazda RX-7 | Downing/Maffucci Racing | 2:06.1150 |
| 44th | 43 | Bob Young / Len Jones / Bob Gregg | Porsche Carrera | Bob Gregg Racing | 2:06.1340 |
| 45th | 06 | Pete Halsmer | Ferrari 365 GTB/4 | Crevier Imports | 2:06.3440 |
| 46th | 88 | Herb Adams / Jerry Thompson / Don Sherman | Chevrolet Camaro | Herb Adams VSE | 2:06.6400 |
| 47th | 19 | Lance Van Every / Ash Tisdelle / Rusty Bond | Porsche Carrera RSR | Van Every Racing | 2:06.6850 |
| 48th | 67 | Dennis Shaw / Steve Whitman / Les Blackburn | AMC Spirit AMX | Levi's Team Highball | 2:06.7030 |
| 49th | 70 | Chris Doyle / Hubert Phipps / Robert Overby | Mazda RX-7 | Chris Doyle | 2:06.7650 |
| 50th | 71 | Philip Keirn / Gail Engle / Bard Boand | Chevrolet Corvette | Keirn Garage | 2:07.1130 |
| 51st | 05 | Tico Almeida / Rene Rodriguez / Fred Flaquer | Porsche Carrera RSR | T & R Racing | 2:07.2560 |
| 52nd | 15 | Doug Lutz / Robin Boone | Porsche 911 Carrera RSR | D. L. Performance Engineering | 2:07.3080 |
| 53rd | 22 | Wayne Baker / Dan Gilliland / Frank Harmstad | Porsche 914/4 | Personalized Autohaus | 2:08.2550 |
| 54th | 55 | Roger Mandeville / Amos Johnson / Diego Febles | Mazda RX-7 | Mandeville Racing Team | 2:08.7740 |
| 55th | 42 | Nort Northam / Ed Kuhel / Dick Neland | Chevrolet Camaro | Mac's Bar Spec./Kend Co. | 2:08.9200 |
| 56th | 50 | Scott Hoerr / Irv Hoerr / Jim Downing | Mazda RX-7 | Downing/Maffucci Racing | 2:09.6830 |
| 57th | 01 | Siegfried Brunn / Robert Kirby / John Hotchkis | Porsche Carrera RSR | Kirby-Hitchcock Racing | 2:09.9080 |
| 58th | 45 | M. L. Speer / Dwight Mitchell / Ray Ratcliff | Porsche 914/6 | Autosport Technology | 2:10.8850 |
| 59th | 57 | Jeff Scott / David Goodell / Volker Bruckmann | Porsche 914/6 | Personalized Autohaus | 2:10.9330 |
| 60th | 60 | Vicki Smith / Sam Miller / Bob Lee | AMC AMX | Bob's Speed Products | 2:11.2390 |
| 61st | 27 | Steve Southard / Jay Kjoller / Jean Kjoller | Porsche Carrera | Southard Motor Racing | 2:11.3180 |
| 62nd | 34 | George Drolsom / Rob Hoskins / Bill Johnson | Porsche 911 Carrera | Drolsom Racing | 2:11.5200 |
| 63rd | 81 | Tom Winters / Steve Dietrich / Carter Alsop | Mazda RX-7 | Trinity Racing | 2:12.0070 |
| 64th | 33 | Harro Zitza / Doug Zitza / Ara Dube | Porsche 914/6 | Zotz Garage | 2:12.1350 |
| 65th | 38 | Ron Case / Dave Panaccione / Ren Tilton | Porsche 911 | Case Racing | 2:12.2560 |
| 66th | 49 | Bob Speakman | Mazda RX-7 | Faza Squadra | 2:12.4180 |
| 67th | 16 | Jim Burt / Doug Grunnet / Steve Paquette | Mazda RX-7 | Corp Racing Ltd. | 2:13.6040 |
| 68th | 52 | Tom Cripe / Dick Gauthier / Jack Swanson | Porsche 911 | Beach Ball Racing | 2:13.6920 |
| 69th | 75 | Dirk Vermeersch / Eddy Joosen / Jean-Paul Libert | Mazda RX-7 | Z&W Enterprises | 2:17.0930 |
| 70th | 28 | Sam Posey / Fred Stiff | Datsun 280ZX | NTS Racing | no time |
| 71st | 02 | John Morton / Tom Klausler | Ford Mustang | Firestone Tire & Rubber | no time |