| Pos | 
No | 
Pilote | 
Voiture | 
Temps | 
 
| 1 | 2 | Jacky Ickx/Jochen Mass | Porsche 935 | 1:55,249 |  
| 2 | 4 | Rolf Stommelen/Manfred Schurti | Porsche 935 | 1:55,881 |  
| 3 | 11 | John Fitzpatrick/Tom Walkinshaw/Brian Redman | BMW 3.5 CSL | 2:00,306 |  
| 4 | 1 | Michael Keyser/Eddie Wachs | Chevrolet Monza | 2:00,411 |  
| 5 | 59 | Peter Gregg/Hurley Haywood | BMW 3.5 CSL | 2:01,193 |  
| 6 | 10 | Ronnie Peterson/Dieter Quester | BMW 3.5 CSL | 2:01,655 |  
| 7 | 16T | George Follmer/John Morton | Porsche 934 | 2:01,984 |  
| 8 | 14 | Al Holbert/Jim Busby | Porsche 934 Turbo | 2:02,402 |  
| 9 | 56 | Bob Hagestad/Jerry Jolly | Porsche Carrera 911 | 2:04,326 |  
| 10 | 6 | Leo Kinnunen/Toine Hezemans/Egon Evertz | Porsche 934/5 | 2:04,700 |  
| 11 | 75 | Norm Ridgely/Jim Cook | Porsche Carrera RSR | 2:05,047 |  
| 12 | 74 | Ludwig Heimrath/Jacques Bienvenue | Porsche Carrera RSR | 2:05,144 |  
| 13 | 5 | John Gunn/Carson Baird | Porsche Carrera RSR | 2:05,632 |  
| 14 | 3 | John Graves/Dave Helmick/John O'Steen | Porsche Carrera RSR | 2:06,703 |  
| 15 | 36 | Paul Miller/Kenper Miller | Porsche 934 Turbo | 2:08,720 |  
| 16 | 13 | Warren Agor/Steve Bradley | Chevrolet Monza | 2:09,330 |  
| 17 | 76 | Joe Chamberlain/Carl Shafer | Chevrolet Camaro 350 | 2:11,828 |  
| 18 | 39 | John Bauer/Walt Maas | Porsche 911S | 2:12,161 |  
| 19 | 78 | Babe Headley/Sam Feinstein | Chevrolet Corvette 427 | 2:13,034 |  
| 20 | 60 | John Brandt/Doug Mills | Chevrolet Corvette 350 | 2:13,385 |  
| 21 | 57 | Bob Grossman/John Wood | Porsche 911S | 2:14,062 |  
| 22 | 22 | Denny Long/Bill Jobe | Chevrolet Corvette 460 | 2:14,076 |  
| 23 | 92 | John Orr/Craig Carter | Chevrolet Corvette 454 | 2:14,378 |  
| 24 | 79 | Michael Callas/Wiley Doran/Adrian Gang | Porsche Carrera RSR | 2:14,437 |  
| 25 | 95 | Robert Frostrom/John Moore | Porsche Carrera RSR | 2:14,720 |  
| 26 | 72 | Mike Tillson/Dieter Oest | Porsche Carrera RSR | 2:14,785 |  
| 27 | 90 | Thomas Rynone/Neil Wiernicki/Michael Wiernicki | Chevrolet Corvette 427 | 2:15,206 |  
| 28 | 7 | Allan Anderson/Bernie DeGraff | Chevrolet Corvette 350 | 2:16,239 |  
| 29 | 93 | Michael Oleyar/Richard Weiss | Chevrolet Corvette 427 | 2:17,592 |  
| 30 | 28 | Joe Pirotta/Don Hager | Chevrolet Corvette 427 | 2:19,688 |  
| 31 | 42 | Bill Scott/Stephen Behr | VW Scirocco | 2:24,290 |  
| 32 | 43 | Milt Minter/Jürgen Barth | VW Scirocco | 2:25,355 |  
| 33 | 77 | Bruce Jennings/Bill Bean | Porsche 911S | 2:25,851 |  
| 34 | 40 | David Kicak/Ralph Manaker | Chevrolet Corvette 350 | 2:26,218 |  
 
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