Pole position: Ongais in 1.46,113 = 209,659 kmh
Fastest lap: Gregg in 1.49,477 = 203,217 kmh

Distance: 24 hours
Average speed: 176,076 kmh
Weather: Cool and dry
Ruleset: Group 5, IMSA GT
Car info: 1979 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	1/1		Interscope Racing Porsche 935-79	Ted Field, USA Danny Ongais, USA Hurley Haywood, USA		B6	Group 5/Div. 2 IMSA GTX	684 laps, 24:00.24,87	8	1.54,072
2	2/1	65	Modena Sportscars / Otto Zipper Ferrari 365 GTB/4 Daytona	John Morton, USA Tony Adamowicz, USA	4390	V12	Group 5/Div. 2 IMSA GTO	635	24	2.05,791
3	3/2	11	Bruce Canepa Porsche 935-77A	Bruce Canepa, USA Rick Mears, USA Monte Shelton, USA (Greg Pickett, USA)		B6	Group 5/Div. 2 IMSA GTX	627	19	2.00,336
4	4/3	94	Whittington Brothers Porsche 935-79	Don Whittington, USA Bill Whittington, USA Jürgen Barth, D	2857 tc	B6	Group 5/Div. 2 IMSA GTX	622	6	1.49,397
5	1	7	Mazda Technical Center Mazda RX-7	Yoshimi Katayama, J Yojiro Terada, J Takashi Yorino, J	2 x 573	R2	IMSA GTU	617	32	2.05,955
6	2	77	Mazda Technical Center Mazda RX-7	Walt Bohren, USA Jim Downing, USA Roger Mandeville, USA	2 x 573	R2	IMSA GTU	615	34	2.06,804
7	3	60	E.J. Pruitt Porsche 911	Rusty Bond, USA Ren Tilton, USA		B6	IMSA GTU	612	50	2.12,729
8	2	54	Montura Racing Porsche Carrera	Tony Garcia, USA Juan Montalvo, C Alberto Vadia Jr, USA		B6	IMSA GTO	587	33	2.06,274
9	3	98	Porsche Carrera	Lance Van Every, USA Ash Tisdelle, USA Robert Overby, USA		B6	IMSA GTO	579	30	2.04,607
10	4	03	Lubrifilm Racing Team Porsche 934	Angelo Pallavicini, CH Enzo Calderari, CH Marco Vanoli, CH	2993 tc	B6	IMSA GTO	577	40	2.09,383
11	4	75	Porsche 911	Mike Ramirez, PR Manuel Villa Prieto, PR Luis Gordillo, PR		B6	IMSA GTU	560	49	2.12,600
12	5	37	Botero Racing Porsche Carrera	Honorato Espinosa, CO Francisco Lopez, CO Jorge Cortes, CO		B6	IMSA GTO	551	27	2.02,649
13	5	33	Porsche 911	Peter Welter, USA Richard Aten, USA Jack Refenning, USA		B6	IMSA GTU	550	55	2.13,905
14	6	58	Diego Febles Racing Porsche Carrera	Diego Febles, PR Phil Currin, USA		B6	IMSA GTO	543	25	2.02,178
15/NRF	4	5	Budweiser Racing Porsche 935	Charles Mendez, USA Johnny Rutherford, USA Paul Miller, USA		B6	IMSA GTX	529	12	1.53,028		Fuel injection
16/NRF	6	27	Miami Auto Racing Porsche 911 S	Raymond Mummery, USA Tom Sheehy, USA Luis Sereix, USA		B6	IMSA GTU	522	44	2.10,219		Differential
17/NRF	7	62	Koll Motorsport VW-Porsche 914/6	Bill Koll, USA Jim Cook, CDN		B6	IMSA GTU	511	39	2.09,314
18	7	95	Chevrolet Monza	Stephen Bond, USA Philip Dann, USA		V8	IMSA GTO	509	66	no time
19	8	21	Oftedahl Racing Chevrolet Camaro	John Wood, USA Tom Bagley, USA Carl Shafer, USA (Joe Chamberlain, USA)		V8	IMSA GTO	493	14	1.57,717
20	8	42	Bullwinkle Racing Porsche 911	Tom Ashby, USA Bill Bean, USA Bob Beasley, USA		B6	IMSA GTU	493	45	2.10,600
21	9	08	Southern Racing Enterprises Porsche 911	Terry Wolters, USA Nort Northam, USA Richard Weiss, USA		B6	IMSA GTU	488	67	no time
22	10	34	Porsche 911	George Drolsom, USA Mark Greb, USA John Maffucci, USA		B6	IMSA GTU	482	47	2.11,186
NC	9	64	Lenton B. McGill Chevrolet Camaro	C.C. Canada, USA Russ Boykin, USA Tom Ciccone, USA		V8	IMSA GTO	458	54	2.13,721
NC	11	61	Faza Squadra Mazda Savanna RX-3	Alfredo Cosentino, USA Dick Starita, USA Taku Akaike, J	2 x 573?	R2	IMSA GTU	444	48	2.11,757
DNF		8	Automobiles International Inc. Lancia Stratos	Anatoly Arutunoff, USA José Marina, USA Danny Sullivan, USA	2418	V6	IMSA GTU	439	53	2.13,226
DNF		6	Dick Barbour Porsche 935	Dick Barbour, USA Brian Redman, GB Paul Newman, USA	2857 tc	B6	IMSA GTX	410	7	1.51,625		Engine
DNF		80	Pontiac Firebird	Herb Adams, USA Peter Frey, USA Louis Spoerl, USA		V8	IMSA GTO	408	65	no time		Oil pressure
DNF		17	Racing Beat Mazda RX-7	Jim Mederer, USA Don Sherman, USA Jeff Kline, USA Ron Reed, USA	2 x 573	R2	IMSA GTU	393	43	2.10,099
DNF		93	Whittington Brothers Porsche 934	Dale Whittington, USA R.D. Whittington, USA Preston Henn, USA	2993 tc	B6	IMSA GTO	389	35	2.06,847		Acident
DNF		71	Bill Scott Racing Porsche 911	Bill Scott, USA Mark Hutchins, USA Pierre Honegger, USA		B6	IMSA GTU	388	41	2.09,451
DNF		40	Performance Specialists VW-Porsche 914/6	Steve Southard, USA William Koch, USA Earl Roe, USA		B6	IMSA GTU	385	59	2.15,446
DNF		1	Gelo Racing Team Porsche 935-77A	Bob Wollek, F Jacky Ickx, B Peter Gregg, USA		B6	IMSA GTX	342	3	1.47,028	1.49,477	Engine
DNF		69	Bytzek Automotive Porsche Carrera	Klaus Bytzek, CDN Rudi Bartling, CDN Ludwig Heimrath, CDN		B6	IMSA GTO	335	28	2.03,995		Oil system
DNF		29	Stratagraph Inc. Chevrolet Monza	Billy Hagan, USA Hoyt Overbagh, USA Don Reed, USA		V8	IMSA GTO	331	18	1.59,994
DNF		89	Hamilton House Racing Porsche 911	Joseph Hamilton, USA Robert H. Hoskins, USA Herb Forrest, USA		B6	IMSA GTU	329	46	2.10,618
DNF		51	Casablanca Fan Porsche Carrera	Bob Kirby, USA John Hotchkis Sr, USA Howard Meister, USA		B6	IMSA GTO	328	37	2.08,292
DNF		15	Bavarian Motors International BMW 3.0 CSL	Alf Gebhardt, USA Sepp Grinbold, USA	3498	L6	IMSA GTO	299	36	2.08,166
DNF		81	Performance Export Porsche Carrera	Ernesto Soto, YV Francisco Romero, YV Oscar Notz, YV		B6	IMSA GTO	241	21	2.01,072
DNF		01	DR Racing Porsche 911	David White, USA J. Kurt Roehrig, USA John Hamilton, USA		B6	IMSA GTU	223	38	2.08,508
DNF		13	Hal Shaw Racing Porsche 935	Hal Shaw Jr, USA Tom Spalding, USA Norm Ridgely, CDN	2857 tc	B6	IMSA GTX	222	42	2.09,852		Turbocharger
DNF		36	Porsche 911	Ron Case, USA Dave Panaccione, USA		B6	IMSA GTU	210	52	2.13,041
DNF		53	Chevrolet Camaro	Guy Thomas, USA Milton Moise, USA Tom Nehl, USA		V8	IMSA GTX	201	51	2.12,783
DNF		06	Chevrolet Corvette	Al Levenson, USA Gerry Baker, USA Lanny Hester, USA		V8	IMSA GTO	197	57	2.14,960
DNF		23	Ford Cobra II	Charlie Kemp, USA Carson Baird, USA Kees Nierop, CDN		V8	IMSA GTX	168	10	1.56,725
DNF		3	Jolly Club Porsche 935-77A	Martino Finotto, I Carlo Facetti, I Gianpiero Moretti, I		B6	IMSA GTX	164	1	1.46,113		Accident
DNF		4	Liqui Moly Joest Racing Porsche 935 J	Reinhold Jöst, D Rolf Stommelen, D Volkert Merl, D		B6	Group 5/Div. 2 IMSA GTX	162	4	1.47,907		Engine
DNF		90	Bob’s Speed Products AMC AMX	Rick Kump, USA Bob Lee, USA Sam Miller, USA		V8	IMSA GTO	156	56	2.14,460
DNF		12	Chevrolet Camaro	Gerry Wellik, USA Tom Bagley, USA Joe Chamberlain, USA (John Wood, USA)		V8	IMSA GTO	147	26	2.02,578
DNF		56	Rick Hendrick Chevrolet Camaro	Craig Carter, USA Murray Edwards, CDN Richard Valentine, USA		V8	IMSA GTO	144	17	1.59,423
DNF		2	Gelo Racing Team Porsche 935-77A	Manfred Schurti, FL John Fitzpatrick, GB Bob Wollek, F		B6	Group 5/Div. 2 IMSA GTX	135	2	1.46,746		Engine
DNF		57	Datsun 240Z	John Tremblay, USA Bob Lapp, USA		L6	IMSA GTU	118	63	no time		Gearbox
DNF		9	Dick Barbour Porsche 935-77A	Bob Akin, USA Rob McFarlin, USA Roy Woods, USA	2857 tc	B6	IMSA GTX	117	9	1.54,500		Fire
DNF		66	JMS Racing Pozzi Ferrari 512 Berlinetta Boxer	Jean-Claude Andruet, F Spartaco Dini ("Paco"), I Claude Ballot-Léna, F	4942	V12	Group 5/Div. 2 IMSA GTX	103	15	1.57,726 (?)		Withdrawn
DNF		67	JMS Racing Pozzi Ferrari 512 Berlinetta Boxer	Claude Ballot-Léna, F Michel Leclère, F Jean-Claude Andruet, F	4942	V12	Group 5/Div. 2 IMSA GTX	101	13	1.57,376		Withdrawn
DNF		24	Chevrolet Camaro	Graham Shaw, USA Don Yenko, USA Jerry Thompson, USA		V8	IMSA GTX	86	62	no time
DNF		38	Boricua Racing Porsche Carrera RSR	Bonky Fernandez, PR Chiqui Soldevila, PR Tato Ferrer, PR		B6	IMSA GTO	73	20	2.00,948
DNF		68	North American Racing Team Ferrari 512 Berlinetta Boxer	Bob Tullius, USA Jean-Pierre Delaunay, F Pat Bedard, USA	4942	V12	Group 5/Div. 2 IMSA GTX	72	16	1.58,823		Accident
DNF		43	Mike Meldau Chevrolet Camaro	Bill McDill, USA Steve Behr, USA		V8	IMSA GTX	59	31	2.05,621
DNF		46	Performance Export Porsche Carrera	Mauricio de Narvaez, CO Albert Naon, USA Pedro de Narvaez, CO		B6	IMSA GTO	46	23	2.01,586
DNF		07	Budweiser Racing Porsche Carrera	Dave Cowart, USA David McClain, USA Kenper Miller, USA		B6	IMSA GTO	35	22	2.01,412
DNF		00	Interscope Racing Porsche 935-79	Preston Henn, USA Ted Field, USA Danny Ongais, USA		B6	IMSA GTX	29	11	1.52,807		Accident
DNF		14	Bavarian Motors International BMW 3.0 CSL	Steve Griswold, USA Steve Earle, USA Rick Knoop, USA	3498	L6	IMSA GTO	25	61	no time
DNF		96	Triumph GT6	Gary Wonzer, USA Robert Whitaker, USA George Van Arsdale, USA Richard Hughes, USA	1998	L6	IMSA GTU	20	60	2.16,117		Electrics
DNF		48	Datsun 240Z	Frank Leary, USA Casy Mollett, USA Steve Cook, USA		L6	IMSA GTU	13	58	2.15,453		Cooling system
DNF		18	JLP Racing Porsche 935 JLP-1	John Paul Sr, USA Al Holbert, USA Michael Keyser, USA		B6	IMSA GTX	12	5	1.48,626		Electrics
DNF		79	Sports Ltd. Racing Mazda RX-7	Bob Bergstrom, USA Brad Frisselle, USA	2 x 573	R2	IMSA GTU	9	64	no time		Suspension
DNF		73	Howey Farms Chevrolet Camaro	Clark Howey, USA Dale Koch, USA Tracy Wolf, USA		V8	IMSA GTX	4	29	2.04,328
DNS		63	Faza Squadra Mazda Savanna RX-3	Alfredo Cosentino, USA Craig Fisher, CDN	2 x 573?	R2	IMSA GTU			no time
DNS		78	Associated Speed & Performance Datsun 240Z	Ken Williams, USA Wiley Doran, USA Neil Upchurch, USA		L6	IMSA GTU			no time
DNS		7T?	Mazda Technical Center Mazda RX-7	Yoshimi Katayama, J Yojiro Terada, J Takashi Yorino, J Walt Bohren, USA Jim Downing, USA Roger Mandeville, USA	2 x 573	R2	IMSA GTU			no time