| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 101 | Jackie Oliver (GB) | Shadow DN4 Chevrolet | Advanced Vehicle Systems | 80 | 1:45:57,592 | 1. | Gr.7 | 1. | 1:15,320 |
| 2. | 8 | George Follmer (USA) | McLaren M20 Chevrolet M20/1 | Herb Kaplan | 80 | 1:46:05,550 | 2. | Gr.7 | 2. | 1:16,038 |
| 3. | 20 | Jacky Ickx (B) | Porsche 936 002 | Martini Racing | 80 | 1:46:43,767 | 1. | S3.0 | 3. | 1:16,481 |
| 4. | 1 | Patrick Depailler (F) | Alpine-Renault A442 Turbo | Renault Sport | 79 | 2. | S3.0 | 4. | 1:16,570 | |
| 5. | 11 | Vern Schuppan (AUS) | Mirage GR8 Ford 802 | GTC Inc. | 77 | 3. | S3.0 | 6. | 1:18,978 | |
| 6. | 47 | Tony Cicale (USA) | Chevron B26 Hart | Anthony Cicale | 75 | 1. | S2.0 | 8. | 1:20,861 | |
| 7. | 69 | Michael Hall (AUS) | Lola T294 Hart | United Racing | 74 | 2. | S2.0 | 9. | 1:22,749 | |
| 8. | 22 | Bruce Langson (USA) | Lola T310 Chevrolet HU01 | Bruce Langston | 69 | 3. | Gr.7 | 21. | 1:31,010 | |
| 9. | 98 | Charles Nearburg (USA) | McLaren M8F Chevrolet | Carter Crompton | 69 | 4. | Gr.7 | 16. | 1:28,200 | |
| 10. | 39 | Gary Hirsch (CDN) | Porsche 908/02 | Gary Hirsch | 69 | 4. | S3.0 | 15. | 1:28,070 | |
| 11. | 7 | Carl Thompson (USA) | Lola T290 Ford | Viking Competition | 68 | 3. | S2.0 | 13. | 1:25,730 | |
| 12. | 3 | Orlie Pacheco (USA) | McLaren M6B Chevrolet 50-09 | Orlie Pacheco | 68 | 5. | Gr.7 | 19. | 1:29,580 | |
| 13. | 38 | Roman Pechmann (CDN) | Porsche 910 | Roman Pechmann | 67 | 4. | S2.0 | 20. | 1:30,670 | |
| 14. | 54 | Oscar Koveleski (USA)
Bertil Roos (S) |
McLaren M6B Chevrolet | Oscar Koveleski | 63 | 6. | Gr.7 | 17. | 1:28,200 | |
| 15. | 18 | E. B. Lunken (USA)
Tom R. Outcault (USA)* |
March 73S BMW | Tom R. Outcault | 62 | 5. | S2.0 | 23. | 1:43,670 | |
| 16. | 16 | Dennis Aase (USA) | Porsche 908/02 022 | Dennis Aase | 58 | S3.0 | 10. | 1:23,975 | ||
| NC | 2 | Jean-Pierre Jabouille (F) | Alpine-Renault A442 Turbo | Renault Sport | 51 | S3.0 | 5. | 1:17,511 | ||
| NC | 72 | Jeff Jones (USA) | McLaren M8C Chevrolet | Jeff Jones | 41 | Gr.7 | 22. | 1:31,170 | ||
| DNF | 6 | Dave Johnson (CDN) | Lola T290B Ford HU34 | Dave Johnson | 30 | S2.0 | 18. | 1:29,520 | ||
| DNF | 10 | Brian Burgess (CDN) | Chevron B21 Hart | Brian Burgess | 28 | Gr.7 | 14. | 1:27,840 | ||
| DNF | 12 | Leonard Janke (USA) | McLaren M8C Chevrolet M6B-50-15? | Leonard Janke | 16 | Gr.7 | 12. | 1:25,391 | ||
| DNF | 14 | Noah Lacona (USA) | Lola T292 Ford | Noah L. Lacona | 1 | S2.0 | 11. | 1:24,246 | ||
| DNS | 13 | Randolph Townsend (USA) | Porsche 917/10 TC 001? | Randolph Townsend | 0 | Engine | Gr.7 | 7. | 1:19,548 | |
| DNA | 43 | Bill Roush (USA) | Chevron B19/26 Hart | William R. Roush | S2.0 | |||||
| DNA | 66 | Stan Szarkowicz (USA) | McLaren M8E/D Chevrolet | Stanley Szarkowicz | Gr.7 |
| Winning Time: 1h45m57.592, 111.393 mph/179.270 kph |
| Fastest Lap: Jackie Oliver #101 (Shadow-Chevrolet DN4), 1m16.240, 116.112 mph/186.864 kph |
| * Driver entered for car, but never drove it at meeting |
| ^ Driver practiced car, but did not race it |
| RES - Reserve (Practiced, on standy-by for start) |
| REE - Reserve Entry |
| DNA - Did Not Arrive |
| DNS - Did Not Start |
| DNF - Did Not Finish |
| DNP - Did Not Practice |
| NC - Not Classified |
| DSQ - Disqualified |
| NRF - Not Running At Finish |
| NAC - Not Accepted |
| REJ - Rejected (Did not pass scrutineering) |