| 1st | 93 | Whittington / Whittington / Whittington | Porsche 935 K3 | Whittington Bros. | 1:44.1100 | 213.6935 |
| 2nd | 2 | Jöst / Stommelen / Merl | Porsche 935J | Liqui Moly | 1:45.3890 | |
| 3rd | 6 | Fitzpatrick / Schurti / Barbour | Porsche 935 K3 | Dick Barbour Racing | 1:46.0090 | |
| 4th | 59 | Gregg / Haywood / Leven | Porsche 935/79 | Brumos Porsche Audi | 1:48.0240 | |
| 5th | 94 | Whittington / Plankenhorn | Porsche 935/79 | Whittington Bros. | 1:49.5140 | |
| 6th | 07 | Heimrath / *Moran / *Rutherford | Porsche 935 | Heimrath Racing | 1:49.7110 | |
| 7th | 13 | Forbes-Robinson / Townsend / Meister | Porsche 935 | Andial Racing | 1:49.9540 | |
| 8th | 0 | Field / Ongais / Minter | Porsche 935 K3/80 | Interscope Racing | 1:51.0210 | |
| 9th | 80 | Carter / Carter / Edwards | Chevrolet Camaro II | All Canadian Racing | 1:51.2960 | |
| 11th | 30 | Moretti / *Cazzaniga / *Canepa | Porsche 935J | Electrodyne | 1:52.8190 | |
| 10th | 19 | Cord / Adams / *Ferguson | Chevrolet Monza | Chris Cord Racing | 1:53.2790 | |
| 12th | 9 | McKitterick / Garretson / Verney | Porsche 935 | Dick Barbour Racing | 1:53.3280 | |
| 13th | 09 | Paul / Holbert / *Henn | Porsche 935/77A | Thunderbird Swap Shop | 1:53.4360 | |
| 14th | 55 | Kent-Cooke / Bleynie / Ballot-Léna | Porsche 935 | Racing Associates | 1:54.2940 | |
| 15th | 00 | Field / Ongais / Minter | Porsche 935/77A | Interscope Racing | 1:54.8780 | |
| 16th | 4 | Finotto / Facetti / *Ricci | Lancia Beta Montecarlo Turbo | Jolly Club | 1:54.9710 | |
| 17th | 11 | Korten / Neve / Grob | March-BMW M1 | March Engineering | 1:54.9780 | |
| 18th | 3 | Busby / Jenner / Knoop | March-BMW M1 | Jim Busby Racing | 1:56.6590 | |
| 19th | 05 | Akin / Woods / Rahal | Porsche 935 K3 | Racing Associates | 1:57.1710 | |
| 20th | 5 | Mendez / Redman / Miller | Porsche 935 K3 | Racing Associates | 1:57.6750 | |
| 21st | 25 | Miller / Cowart / Beckers | BMW M1 | Deren Automotive | 1:57.9650 | |
| 22nd | 99 | Phil Currin | Chevrolet Corvette | Full-Time Racing | 1:58.7570 | 187.3373 |
| 23rd | 69 | Henn / Dieudonné / *Paul | Ferrari 512 BB | Preston Henn | 1:59.4030 | |
| 24th | 14 | Dieudonné / Koechlin / Walger | Porsche 935 | Renaissance Group Racing | 1:59.4970 | |
| 25th | 10 | Heinz / Wellik / Young | Chevrolet Camaro II | Oftedahl Trucking | 1:59.8840 | |
| 26th | 24 | Refenning / Mummery / Tilton | Porsche 934 | American Racing Team | 1:59.9310 | |
| 27th | 44 | Tullius / McComb / Kelly | Triumph TR8 | Group 44 | 2:00.9450 | |
| 28th | 46 | DeNarvaez / Naon / Londono | Porsche 911 Carrera RSR | DeNarvaez Racing | 2:01.3350 | |
| 29th | 65 | Morton / Adamowicz | Ferrari 365 GTB/4 | Nicholas/McRoberts Racing | 2:01.5400 | |
| 30th | 17 | Bohren / *Aase / *Kline | Mazda RX-7 | Racing Beat | 2:02.3230 | 181.8752 |
| 31st | 03 | Frank / *Bartling / *Pallavicini | Porsche 934 | Toyota Village | 2:03.0430 | |
| 32nd | 8 | Beasley / Grantham / Stone | Porsche Carrera RSR | Bob Beasley | 2:03.1540 | |
| 33rd | 75 | Kreider / Hagan / Bond | Chevrolet Corvette C3 | Show Cars of Florida | 2:03.2810 | |
| 34th | 23 | Devendorf / Davenport / Carney | Datsun 280ZX | Frank L. Carney | 2:03.5450 | |
| 35th | 37 | Espinosa / Cortes / Lopez | Porsche Carrera RSR | Botero Racing | 2:03.7270 | |
| 36th | 38 | Fernandez / Ferrer / Nierop | Porsche Carrera RSR | Boricua Racing | 2:04.1940 | |
| 37th | 89 | Romero / Libert / Soto | Porsche 911 Carrera RSR | Hector Huerta | 2:04.8400 | |
| 38th | 77 | Mandeville / Downing / Frisselle | Mazda RX-7 | Roger Mandeville | 2:04.8740 | |
| 39th | 76 | Chamberlain / Chamberlain / Valentine | Chevrolet Corvette C3 | Arrow Heating Co. | 2:05.0620 | |
| 40th | 54 | Garcia / Vadia / Herman | Porsche Carrera RSR | Montura Racing | 2:05.0780 | |
| 41st | 68 | Mendez / Almeida / Rodriguez | Porsche 911 Carrera RSR | T & R Racing | 2:05.2980 | |
| 42nd | 39 | Moffat / Johnson / Fisher / *Frisselle | Mazda RX-7 | JLC Racing | 2:05.4270 | |
| 43rd | 73 | Hutchins / Honegger / Apgar | Mazda RX-7 | Z&W Enterprises | 2:05.8010 | |
| 44th | 58 | Febles / *Soldevilla / *Gonzalez | Porsche 911 Carrera RSR | Coco Lopez-Pina Colada | 2:06.1920 | |
| 45th | 82 | Casey / Dietrich / Mueller | Mazda RX-7 | Trinity Racing | 2:06.3220 | |
| 46th | 98 | Van Every / Tisdelle / Johnson | Porsche Carrera RSR | Van Every Racing | 2:07.0330 | |
| 47th | 79 | Bergstrom / Bedard | Mazda RX-7 | Sports Ltd. Racing | 2:07.1880 | |
| 48th | 62 | Koll / Cook / LaCava | Porsche 914/6 | William J. Koll | 2:07.3220 | |
| 49th | 32 | "Jamsal" / Pineda / Barrientos | Porsche Carrera RSR | Scorpio Racing | 2:07.3770 | |
| 50th | 15 | Gebhardt / Beilcke / *Trieb | BMW CSL | Bavarian Motors International | 2:07.7890 | |
| 51st | 71 | Keirn / Trotter / Errington | Chevrolet Corvette C3 | Keirn Garage | 2:07.9320 | |
| 52nd | 56 | Borlase / Kravig / Hammond | Porsche 911 | Rick Borlase | 2:08.7760 | |
| 53rd | 16 | Mason / *Yenko / *Thompson | Chevrolet Corvette C3 | Yenko Chevrolet-Honda | 2:09.4720 | |
| 54th | 88 | *Adams / *Roberts / *Evans | Pontiac Firebird Fire-Am | Herb Adams VSE | 2:10.3990 | |
| 55th | 22 | Bruckmann / Goodell / Cunningham | Porsche Carrera | Group Bruckmann | 2:10.4340 | |
| 56th | 42 | Neland / Ferran / Cotrone | Chevrolet Camaro | Dick Neland | 2:10.6330 | |
| 57th | 08 | Speer / Ratcliff / Wolters | Porsche 911 | Moran Construction | 2:10.6460 | |
| 58th | 70 | Doyle / Guest / Meyer | Mazda RX-7 | Herman Racing | 2:10.7190 | |
| 59th | 78 | Giesel / Nesbitt / Johnson | Mazda RX-2 | Revolution Wheels | 2:11.9900 | |
| 60th | 85 | Deacon / Moennick / Bienvenue | Porsche Carrera | David Deacon | 2:12.1940 | |
| 61st | 51 | Kirby / Hotchkis / Hotchkis, Jr. | Porsche Carrera RSR | Moana Corp. | no time | |
| 62nd | 06 | DiBattista / Ciccone / Howes | Porsche 911 | Intrepid, Inc. | no time | |
| 63rd | 52 | Hamilton / Cripe / Snow | Porsche 911 | Snowmobile Racing | no time | |
| 64th | 28 | Nehl / Kirill / Rude | Chevrolet Camaro | Tom Nehl | no time | |
| 65th | 96 | Earl / Coykendall / Stiff | Datsun 240Z | NTS Racing | no time | |
| 66th | 92 | Cummings / Levetto | Shelby GT350 | The Cummings Marque | no time | |
| 67th | 57 | Baker / Gilliland / Scott | Porsche 914/4 | Independent Personalized | no time | |
| 68th | 83 | Zitza / *Belperche / *Zitza | Porsche 914/6 | Zotz Garage | no time | |
| 69th | 18 | Arutunoff / *Marina / *Drolsom | Lancia Stratos | Automobile International | no time | |
| 70th | 63 | Northam / Davenport / *Thomas | Chevrolet Camaro | Guy Thomas | no time | |
| 71st | 95 | Ramirez / Villa / Gordillo | Porsche 911 | Mike Ramirez Racing | no time | |
| 72nd | 81 | St. James / Welch / Winters | Mazda RX-7 | Trinity Racing | no time | |