Pole position: Mass in 1.48,289 = 205,446 kmh
Fastest lap: Ickx in 1.52,004 = 198,632 kmh

Distance: 24 hours
Average speed: 175,095 kmh
Weather: Warm and dry
Ruleset: Group 5, IMSA GT
Car info: 1977 Cars

Overall result
Pos	Pos in class	#	Team / Entrant Car- Engine	Drivers, Nationality	Engine vol. (cc)	Engine Type	Group	Distance, time	Qualifying position	Qualifying time	Fastest lap	Reason out, remarks
1	1	43	Dave Helmick Porsche Carrera RSR	Hurley Haywood, USA John Graves, USA	2994	B6	IMSA GT/Group 4? Div. 2	681 laps, 24:02.06.174	12	2.01,449
2	1	3	Jolly Club Porsche 935	Carlo Facetti, I Martino Finotto, I Romeo Camathias, I	2857 tc	B6	Group 5/Div. 3	679	5	1.55,017
3	2	8	Porsche Kremer Porsche 935	Reinhold Jöst, D Bob Wollek, F Albrecht Krebs, D	2857 tc	B6	Group 5/Div. 3	670	2	1.49,099
4	2	30	Porsche Carrera RSR	George Dyer, USA Brad Frisselle, USA	2994	B6	IMSA GT/Group 4 Div. 2	663	21	2.04,410
5	3	64	Ramsey Ferrari Ferrari 365 GTB/4 Daytona	Elliot Forbes-Robinson, USA Paul Newman, USA Milt Minter, USA	4390	V12	IMSA GT/Group 5 Div. 3	631	22	2.05,059
6	4	48	Chevrolet Corvette	John Carusso, USA Luis Sereix, USA Emory Donaldson, USA		V8	IMSA GT	628	34	2.12,359
7	1	42	Porsche 911 S	Robert Hindson, USA Frank Carney, USA Dick Davenport, USA		B6	IMSA GTU	624	31	2.11,208
8	2	28	Porsche 911 S	Richard Weiss, USA Bill Alsup, USA Ray Gage, USA		B6	IMSA GTU	596	41	2.19,223
9	3	07	Porsche 911 T	Charles Mendez, USA Dave Cowart, USA Dave Panaccione, USA		B6	IMSA GTU	591	37	2.13,918
10	5	61	Brumos Porsche Porsche 934	Peter Gregg, USA Jim Busby, USA	2993 tc	B6	IMSA GT	590	7	1.56,894
11	4	60	Bond/Tilton Porsche 911 S	Rusty Bond, USA Ren Tilton, USA John H. Thomas Jr, USA		B6	IMSA GTU	586	36	2.13,900
12	5	27	Porsche 911 S	Raymond Mummery, USA Jack Refenning, USA Ralph Noseda, USA		B6	IMSA GTU	581	51	no time
13	6	58	Porsche Carrera RSR	Diego Febles, PR Armando Gonzalez, PR Hiram Cruz, USA	2994	B6	IMSA GT	537	18	2.03,010
14	7	73	Chevrolet Corvette	Clark Howey, USA David Crabtree, USA Dale Koch, USA		V8	IMSA GT	515	49	no time
15	6	71	Foreign Exchange Porsche 911	John Higgins, USA Chip Mead, USA David White, USA		B6	IMSA GTU	508	40	2.18,041
16	8	6	AMC Gremlin	Amos Johnson, USA Dennis Shaw, USA Steve Anderson, USA		V8	IMSA GT	506	50	no time
17	9	18	Chevrolet Camaro	Jack Swanson, USA Terry Wolters, USA		V8	IMSA GT	484	45	2.22,582
NC		02	Chevrolet Corvette	Al Levenson, USA Dan Rice, USA Guido Levetto, USA		V8	IMSA GT	475	44	2.22,579
NC		77	Chevrolet Corvette	Burt Greenwood, USA Rick Mancuso, USA John Cargill, USA Dave Heinz, USA		V8	IMSA GT	470	23	2.05,769
NC		10	Race Car Porsche 911 S	Marion L. Speer, USA Windle Turley, USA Hal Sahlman, USA		B6	IMSA GTU	464	33	2.12,294
DNF		1	Martini Racing Porsche 935	Jacky Ickx, B Jochen Mass, D (Jürgen Barth, D)	2857 tc	B6	Group 5/Div. 3	452	1	1.48,289	1.52,004	Accident damage
NC		33	Porsche 911	Ara Dube, USA Harro Zitza, USA Joe Castellano, USA		B6	IMSA GTU	441	46	2.23,033
NC		50	AMC Hornet	Tom Waugh, USA John Rulon-Miller, USA Bob Punch, USA		V8	IMSA GT	394	52	no time
NC		72	Chevrolet Corvette	Bill Arnold, USA Carl Thompson, USA Billy Hagan, USA		V8	IMSA GT	378	25	2.07,579
DNF		34	Porsche 911 S	George Drolsom, USA Bill Scott, USA Tom Bagley, USA		B6	IMSA GTU	377	43	2.21,818
DNF		47	Miller Brothers BMW 3.0 CSL	John Fitzpatrick, GB Kenper Miller, USA Paul Miller, USA	3498	L6	IMSA GT/Group 5 Div. 3	368	9	1.58,042		Electrics
NC		13	University of Pittsburgh AMC Gremlin	Bob Fryer, USA Richard Bostyan, USA Ed Lowther, USA		V8	IMSA GT	366	53	no time
DNF		9	Bytzek Brothers Porsche Carrera RSR	Klaus Bytzek, CDN Harry Bytzek, CDN Rudi Bartling, CDN	2994	B6	IMSA GT	343	26	2.08,682
DNF		20	Inaltera Inaltera-Cosworth	Jean Rondeau, F Jean-Pierre Beltoise, F (Al Holbert, USA)	2990	V8	Group 6	336	3	1.52,720		Suspension
DNF		05	Chevrolet Monza	Jim Trueman, USA Jerry Thompson, USA Don Yenko, USA		V8	IMSA GT	300	10	1.59,728
DNF		66	Ramsey Ferrari Ferrari 365 GTB/4 Daytona	Tony Adamowicz, USA John Cannon, CDN Dick Barbour, USA	4390	V12	IMSA GT/Group 5 Div. 3	286	29	2.10,306
DNF		96	Clay Young Chevrolet Camaro	Gene Felton, USA Buzz Cason, USA James Reeve, USA		V8	IMSA GT	251	14	2.02,487
DNF		70	Michael Callas Porsche Carrera RSR	Adrian Gang, USA W.K. Gonzalez, USA Tim Duke, USA (Peter Papke, USA)	2994	B6	IMSA GT	247	30	2.10,715
DNF		14	Chevrolet Monza	Al Holbert, USA Michael Keyser, USA Claude Ballot-Léna, F		V8	IMSA GT	246	8	1.57,417		Engine
DNF		38	Porsche Carrera RSR	John Paul Sr, USA John O'Steen, USA Bob Hagestad, USA	2994	B6	IMSA GT	217	35	2.12,456
DNF		46	Porsche Carrera RSR	Mauricio de Narvaez, CO Albert Naon, USA John Freyre, USA	2994	B6	IMSA GT	199	32	2.12,031
DNF		99	Chevrolet Corvette	Phil Currin, USA Robert H. Hoskins, USA Peter Knab, USA		V8	IMSA GT	196	20	2.03,597		Engine
DNF		39	Chevrolet Corvette	Wiley Doran, USA Jim Barnett, USA Charles Pelz, USA		V8	IMSA GT	191	39	2.15,365
DNF		40	Ford Mustang	André Sepelon, F Bob Lee, USA Larry Parker, USA		V8	IMSA GT	180	59	no time
DNF		24	Porsche Carrera RSR	Tom Frank, USA Carl Shafer, USA	2994	B6	IMSA GT	178	16	2.02,845
DNF		2	BMW Motorsport BMW 320	David Hobbs, GB Ronnie Peterson, S Sam Posey, USA	1998	L4	Group 5/Div. 1	177	19	2.03,031		Engine
DNF		41	Chevrolet Camaro	Herb Jones Jr, USA Steve Faul, USA		V8	IMSA GT	154	13	2.02,070
DNF		55	Chevrolet Corvette	Rick Thompkins, USA Dave Heinz, USA Lamar Mann, USA		V8	IMSA GT	151	11	1.59,782
DNF		49	Chevrolet Corvette	Sam Fillingham, USA Mike Williamson, USA K.P. Jones, USA		V8	IMSA GT	117	48	no time		Engine
DNF		84	Lenton B. McGill Chevrolet Camaro	Russ Boykin, USA Sam Henderson, USA (C.C. Canada, USA)		V8	IMSA GT	106	47	2.23,174
DNF		7	Lancia Stratos	Anatoly Arutunoff, USA José Marina, USA Brian Goellnicht, USA	2418	V6	IMSA GT/group 4 Div. 2	99	54	no time		Fuel system
DNF		78	Chevrolet Corvette	Milton Headley, USA Sam Feinstein, USA (Skip Panzarella, USA)		V8	IMSA GT	85	15	2.02,791
DNF		21	Inaltera Inaltera-Cosworth	Lella Lombardi, I Christine Beckers ("Christine"), B (Jean Rondeau, F)	2990	V8	Group 6	78	4	1.54,862		Accident
DNF		63	Ted Field Porsche Carrera RSR	Ted Field, USA Jon Woodner, USA (Howdy Holmes, USA) (Danny Ongais, USA)	2994	B6	IMSA GT	72	17	2.02,893		Accident
DNF		36	AMC Gremlin	Bill Boye, USA Jere Gillan, USA		V8	IMSA GT	60	57	no time
DNF		98	Lotus Europa	Ralph Tolman, USA (Mike Brockman, USA) (Sam Sommers, USA)		L4	IMSA GTU	50	56	no time
DNF		80	Chevrolet Camaro	Carmon Solomone, USA Fred Lang, USA (Buzz Fyhrie, USA)		V8	IMSA GT	48	28	2.10,029
DNF		51	Kirby-Hitchcock Racing VW-Porsche 914/6	Bob Kirby, USA John Hotchkis Sr, USA (Dennis Aase, USA)		B6	IMSA GTU	47	38	2.14,666		Engine
DNF		00	Ted Field Porsche Carrera RSR Turbo	Danny Ongais, USA (George Follmer, USA) (Ted Field, USA)	2142 tc	B6	Group 6	35	6	1.56,738		Engine
DNF		01	Porsche 911	Bob Bergstrom, USA Jim Cook, CDN		B6	IMSA GTU	29	42	2.19,335
DNF		17	Chevrolet Nova	Vince Gimondo, USA (Tim Chitwood, USA)		V8	IMSA GT	20	58	no time
DNF		03	Bavarian Motors International BMW 2002	Bruno Beilcke, USA (Alf Gebhardt, USA)	1990	L4	IMSA GTU	8	55	no time
DNS		65	Ramsey Ferrari Ferrari 365 GTB/4 Daytona	Bobby Carradine, USA John Morton, USA Roy Woods, USA	4390	V12	IMSA GT/Group 5 Div. 3		(24)	2.06,003
DNS		79	Porsche Carrera	Michael Callas, USA Jerry Jolly, USA Pierre Laffeach, F Peter Papke, USA	2994?	B6	IMSA GT		(27)	2.09,341
DNF		04	Pontiac Astre	Dale Kreider, USA Bob De Marco, USA		V8	IMSA GT		(60)	no time