| 1st | 2 | John Fitzpatrick / David Hobbs | Porsche 935 K4 | John Fitzpatrick Racing | | |
| 2nd | 18 | John Paul / Hurley Haywood | Porsche 935 JLP-4 | J.L.P. Racing | 2:04.7460 | 185.7746 |
| 3rd | 00 | Ted Field / Danny Ongais | Lola T600 Chevrolet | Interscope Racing | | |
| 4th | 4 | Chris Cord / Jim Adams | Lola T600 Chevrolet | Rayfin, Inc. | | |
| 5th | 5 | Bob Akin / Derek Bell | Porsche 935 L | Bob Akin Motor Racing | | |
| 6th | 3 | Emilio de Villota / Fred Stiff | Grid Plaza S1 Ford | GRID Racing | | |
| 7th | 44P | Bob Tullius / Bill Adam | Jaguar XJR-5 | Group 44 | | |
| 8th | 46 | John Paul, Jr. / Mauricio DeNarvaez | Porsche 935 JLP-3 | J.L.P. Racing | | |
| 9th | 62 | Bill Koll / Skeeter McKitterick | Rondeau M382 Chevrolet | Golden Eagle Racing | | |
| 10th | 16 | Marty Hinze / Randy Lanier | March 82G Chevrolet | March Racing | | |
| 11th | 25 | Dave Cowart / Kenper Miller | March 82G BMW | Red Lobster Racing | | |
| 12th | 09 | Preston Henn / Bonnie Henn / Desiré Wilson | Porsche 935 K3 | Henn's Swap Shop Racing Team | | |
| 13th | 70 | John Cooper / Paul Smith | Porsche 935 K3 | Ivey Racing | | |
| 14th | 83 | Don Devendorf / Tony Adamowicz | Datsun 280ZX Turbo | Electramotive Racing | 2:17.5630 | 168.4645 |
| 15th | 44 | Billy Hagan / Gene Felton | Chevrolet Camaro | Stratagraph | | |
| 16th | 13 | John Greenwood | Chevrolet Corvette | T & R Racing | | |
| 17th | 8 | M. L. Speer / Terry Wolters | Porsche 935 JLP-2 | J.L.P. Racing | | |
| 18th | 11 | Chuck Kendall / Jim Cook | BMW M1 | Kendall Racing | | |
| 19th | 14 | Bob Raub / Chris Gleason | Pontiac Firebird | Oftedahl Racing | | |
| 20th | 22 | Werner Frank / Rudy Bartling | Porsche 934 | Toyota Village | | |
| 21st | 91 | Chester Vincentz / Mark Hutchins | Porsche 934 | Electrodyne | | |
| 22nd | 74 | Del Russo Taylor | Chevron GTP Buick | Mark Wagoner | | |
| 23rd | 98 | Lee Mueller / Kathy Rude | Toyota Celica | Kent Racing | 2:26.1010 | 158.6202 |
| 24th | 85 | Logan Blackburn / George Alderman | Datsun 280ZX | Logan Blackburn | | |
| 25th | 01 | John Morton / Tom Klausler | Ford Mustang | Marketing Corp. of America | | |
| 26th | 05 | Tico Almeida / Ernesto Soto / Rene Rodriguez | Porsche Carrera RSR | T & R Racing | | |
| 27th | 38 | Roger Mandeville | Mazda RX-7 | Mandeville Racing Enterprises | | |
| 28th | 63 | Jim Downing / John Maffucci | Mazda RX-7 | Downing/Atlanta | | |
| 29th | 92 | Rick Knoop / Ron Grable | Toyota Celica | Kent Racing | | |
| 30th | 94 | Richard Anderson / Bard Boand | Chevrolet Corvette | Champion Corvette Ent. | | |
| 31st | 82 | Joe Varde / Jeff Kline | Mazda RX-7 | Casey-Montex | | |
| 32nd | 35 | Ken Madren / Dennis Wilson | Porsche Carrera | Pegasus Racing | | |
| 33rd | 23 | Frank Carney / Dick Davenport | Datsun 280ZX | Raytown Datsun/Don Preston | | |
| 34th | 49 | Brian Utt / Dan Schott | Chevrolet Corvette | | | |
| 35th | 02 | John Bauer / Milt Minter | Ford Mustang | Marketing Corp. of America | | |
| 36th | 51 | Doug Carmean | Mazda RX-7 | Red Roof Inns | | |
| 37th | 21 | Paul Canary / Dave Watson | Chevrolet Corvette | Paul Canary | | |
| 38th | 71 | Charles Morgan / Jim Miller | Datsun 280ZX | Morgan Performance Group | | |
| 39th | 34 | George Drolsom / Bill Johnson | Porsche 924 Carrera | Drolsom Racing | | |
| 40th | 54 | Michael Guffey | Datsun Z | Waldvogel Machine Shop | | |
| 41st | 96 | Phil Byrd / Don Sesslar | Porsche Carrera | Philip Byrd | | |
| 42nd | 26 | Tim Selby / Earl Roe | Porsche 914/6 | Roe/Selby Racing | | |
| 43rd | 72 | Doug Grunnet / Dave Klopfleisch | Mazda RX-7 | Corp Racing | | |
| 44th | 10 | Bill Cammack / Paul Brand | Datsun Z | Royal Datsun | | |
| 45th | 48 | David Miller / Bill Miller | Datsun Z | David Miller | | |
| 46th | 77 | Dudley Davis / Charlie Lloyd | Porsche 911 | Dudley Davis | | |
| 47th | 20 | Dale Kreider / Dave Heinz | Chevrolet Corvette | Dale Kreider Racing | | |