The 12 Hours of Sebring Grand Prix of Endurance, was the third round of the 1987 IMSA GT Championship and was held at the Sebring International Raceway, on March 21, 1987. Victory overall went to the No. 86 Bayside Disposal Racing Porsche 962 driven by Jochen Mass and Bobby Rahal.^[1]

Class winners in bold.

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	GTP	86	Bayside Disposal Racing	Jochen Mass Bobby Rahal	Porsche 962	G	298
					Porsche 3.0L Flat 6 Turbo
2	GTP	14	Holbert Racing	Chip Robinson Al Holbert	Porsche 962	G	296
					Porsche 3.0L Flat 6 Turbo
3	GTP	8	Primus Motorsport	Brian Redman Chris Kneifel Elliot Forbes-Robinson	Porsche 962	G	293
					Porsche 3.0L Flat 6 Turbo
4	GTP	0	Joest Racing	Sarel van der Merwe "John Winter" Danny Ongais	Porsche 962	G	281
					Porsche 3.0L Flat 6 Turbo
5	GTO	28	Protofab Racing	Greg Pickett Tommy Riggins	Chevrolet Camaro	G	281
					Chevrolet 6.0L V8 N/A
6	GTP	5	Bob Akin Motor Racing	James Weaver Bob Akin Steve Shelton	Porsche 962	Y	280
					Porsche 3.0L Flat 6 Turbo
7	GTP	67	Busby Racing	Bob Wollek Darin Brassfield Wally Dallenbach Jr.	Porsche 962	BF	275
					Porsche 3.0L Flat 6 Turbo
8	GTO	22	Roush Racing	Bruce Jenner Bobby Akin	Ford Mustang	?	274
					Ford 6.0L N/A
9	GTO	98	All American Racers	Chris Cord Juan Manuel Fangio II	Toyota Celica	G	267
					Toyota 2.0L I4 Turbo
10	Lights	42	MMG/White Allen	John Higgins Charles Monk Howard Cherry	Fabcar CL	?	265
					Porsche 3.0L Flat 6 N/A
11	Lights	05	RM Racing	Charles Morgan Jim Rothbarth	Royale RP40	?	261
					Mazda 1.3L 2 Rotor
12	Lights	09	Ball Bros. Racing	Steve Durst Mike Brockman Tony Belcher	Spice SE86CL	?	261
					Pontiac 3.0L I4 N/A
13	GTO	65	Grey Eagle Racing	Jerry Clinton Morris Clement Stanton Barrett	Ford Mustang	F	256
					?
14	Lights	63	Jim Downing	Jim Downing John Maffucci John O'Steen	Argo JM19	G	253
					Mazda 1.3L 2 Rotor
15 DNF	Lights	19	S&L Racing	Scott Schubot Linda Ludemann Lance Jones	Tiga GT285	?	252
					Mazda 1.3L 2 Rotor
16	GTO	74	Whitehall Rocketsports	Paul Gentilozzi Irv Hoerr Tom Winters	Oldsmobile Toronado	?	251
					?
17	GTU	17	Al Bacon Racing	Al Bacon Bob Reed	Mazda RX-7	B	245
					Mazda Rotary
18	GTU	54	SP Racing	Gary Auberlen Bill Auberlen Karl Durkheimer	Porsche 911 Carrera	B	244
					Porsche Flat 6 N/A
19 DNF	GTO	76	Peerless/Hendrick	Jack Baldwin Eppie Wietzes	Chevrolet Camaro	G	243
					Chevrolet 5.5L V8 N/A
20	GTU	89	901 Racing	Peter Uria Larry Figaro Kyle Rathbun Jack Refenning	Porsche 911 Carrera RSR	?	243
					Porsche Flat 6 N/A
21	GTO	87	Morrison-Cook Motorsport	Tommy Morrison Stu Hayner Don Knowles Bob McConnell	Chevrolet Corvette	G	241
					Chevrolet V8 N/A
22	GTO	30	Skoal Bandit Racing	Buz McCall Walt Bohren Paul Dallenbach	Chevrolet Camaro	G	241
					Chevrolet V8 N/A
23	Lights	43	MMG/White Allen	Tim McAdam Scott Overbey Chip Mead	Fabcar CL	G	238
					Porsche 3.0L Flat 6 N/A
24	GTU	75	Clayton Cunningham Racing	Tommy Kendall Bart Kendall Max Jones	Mazda RX-7	F	236
					Mazda Rotary
25	Lights	35	Diman Racing	Mandy Gonzalez Manuel Villa Luis Gordillo	Royale RP40	B	235
					Porsche 3.0L Flat 6 N/A
26	Lights	61	Performance Technology	Brent O'Neill John Lloyd	Argo JM19	G	230
					Buick 3.0L V6 N/A
27	GTU	84	Guy Church	Guy Church Tom Hunt E. J. Generotti	Mazda RX-7	H	226
					Mazda Rotary
28	GTU	82	Dick Greer Racing	Dick Greer Mike Mees John Finger	Mazda RX-7	Y	225
					Mazda Rotary
29	GTU	46	Turbo Concepts	Miguel Morejon Herman Galeano	Porsche 911	?	224
					Porsche Flat 6 N/A
30	GTU	71	Team Highball	Amos Johnson Dennis Shaw	Mazda RX-7	Y	217
					Mazda 1.2L Rotary
31	GTO	11	Roush Racing	Lyn St. James Tom Gloy	Ford Mustang	?	213
					?
32	GTO	85	Highlands Racing	William Boyer Steve Roberts	Pontiac Firebird	H	211
					?
33	GTU	00	S Squared Engineering	Charles Slater Dave Duttinger Rudy Bartling	Porsche 911 Carrera RSR	?	209
					Porsche Flat 6 N/A
34 DNF	GTO	81	Sentry Band Equipment	Ken Bupp Guy Church Del Russo Taylor	Chevrolet Camaro	H	205
					Chevrolet V8 N/A
35	Lights	23	Motion Promotions	George Petrilak Dave Rosenberg Bruce MacInnes	Argo JM16	?	201
					Buick 3.0L V6 N/A
36	GTU	68	Chambers Racing	Dennis Chambers Chaunce Wallace	Mazda RX-7	H	201
					Mazda Rotary
37	GTU	08	Simms Romano Enterprises	Paul Romano Vance Swifts John Drew	Mazda RX-7	?	188
					Mazda Rotary
38	Lights	52	Wonzer Racing	Ron Case Bruce Dewey Buzz Cason Nort Northam	Lola T616	?	186
					Mazda 1.3L 2 Rotor
39	GTP	4	Roush Racing	Scott Pruett Pete Halsmer	Ford Mustang	?	179
					?
40 DNF	Lights	80	Gaston Andrey Racing	Martino Finotto Ruggero Melgrati Pietro Silva	Alba AR6	?	177
					Ferrari 3.0L V8 N/A
41	GTO	24	C. A. R. Enterprises	Craig Rubright Garrett Jenkins Roy Newsome	Chevrolet Corvette	?	165
					Chevrolet V8 N/A
42 DNF	GTO	90	Bob's Speed Products	Bob Lee Gary Myers Timothy S. Lee	Buick Skyhawk	?	161
					?
43	GTO	50	Henry A. Brosnaham	Henry Brosnaham Glen Cross Jim Johnson	Chevrolet Camaro	G	158
					Chevrolet V8 N/A
44 DNF	Lights	25	Gaston Andrey Racing	David Loring Roger Andrey Willy Lewis	Tiga GT286	?	145
					Ferrari 3.0L V8 N/A
45 DNF	GTU	44	Goral Racing	Paul Goral Rusty Bond Larry Figaro	Porsche 911	G	140
					?
46 DNF	GTO	49	Catters Racing Team	Carlos Munoz Carlos Catter Joe Gonzalez	Pontiac Firebird	?	136
					?
47 DNF	GTP	16	Dyson Racing	Price Cobb Vern Schuppan	Porsche 962	?	123
					Porsche 3.0L Flat 6 Turbo
48 DNF	GTU	60	Schaderacing	Steve DePoyster Bob Schader Jim Kurz Mike Jocelyn	Mazda RX-7	?	114
					Mazda Rotary
49 DNF	Lights	31	Gebhardt Racing USA	Greg Hobbs Gary Robinson David Hobbs Alf Gebhardt	Gebhardt JG853	G	110
					BMW 2.0L I4 N/A
50 DNF	Lights	96	Hessert Racing	Eduardo Dibós Chappuis Keith Rinzler Tom Hessert	Tiga GT286	?	93
					Mazda 1.3L 2 Rotor
51 DNF	GTU	47	Cumberland Valley Racing	Doug Mills Richard Oakley	Mazda RX-7	?	90
					Mazda Rotary
52 DNF	GTO	56	Bill Wink Racing	Bill Wink Bill Martin Don Erickson Tim Evans	Chevrolet Camaro	?	87
					Chevrolet V8 N/A
53 DNF	Lights	79	Whitehall Rocketsports	Skeeter McKitterick Ted Boady Paul Lewis	Alba AR5	?	86
					Oldsmobile 3.0L N/A
54 DNF	GTO	99	All American Racers	Willy T. Ribbs Jerrill Rice	Toyota Celica	?	84
					Toyota 2.0L I4 Turbo
55 DNF	Lights	40	Bieri Racing	Uli Bieri Angelo Pallavicini David Murry	Alba AR5	?	76
					Ferrari 3.0L V8 N/A
56 DNF	GTO	83	Shafer Racing	Craig Shafer Joe Maloy George Shafer	Chevrolet Camaro	?	76
					Chevrolet V8 N/A
57 DNF	GTO	51	Quality Motorsports	Dave Heinz Bob Young	Chevrolet Corvette	?	75
					Chevrolet V8 N/A
58 DNF	GTP	1	A. J. Foyt Enterprises	A. J. Foyt Danny Sullivan Hurley Haywood	Porsche 962	G	73
					Porsche 3.0L Flat 6 Turbo
59 DNF	GTU	13	Altman Bros Motor Racing	Mark Altman Gary Altman Tim Selby	Porsche 914-6 GT	?	68
					Porsche Flat 6 N/A
60 DNF	Lights	9	Finco Racing	Fin Tomlinson Terry Loebel Richard Morgan	Tiga GT285	?	57
					Mazda 1.3L Rotary
61 DNF	GTO	38	Mandeville Auto Tech	Roger Mandeville Kelly Marsh Don Marsh	Mazda RX-7	?	56
					Mazda Rotary
62 DNF	Lights	36	Erie Scientific Racing	Frank Jellinek John Grooms Tom Bagley	Royale RP40	?	54
					Mazda 1.3L 2 Rotor
63 DNF	GTO	26	Bob's Speed Products	Del Russo Taylor Mark Montgomery David Fuller	Pontiac Firebird	G	45
					?
64 DNF	GTO	91	Lucas Truck Service	Scott Gaylord Luis Albiza Kent Stover	Oldsmobile Calais	G	38
					?
65 DNF	GTO	12	Centurion AutoTransport	Harold Shafer Tom Nehl Robert Peters	Buick Somerset	G	36
					?
66 DNF	Lights	01	Spice Engineering	Jeff Kline Don Bell	Spice SE86L	?	31
					Pontiac 3.0L I4 N/A
67 DNF	GTO	77	Brooks Racing	Robert Lappalainen Kenper Miller	Chevrolet Camaro	?	25
					Chevrolet V8 N/A
68 DNF	GTO	72	Sunrise Racing	Jeff Loving Richard Small Jan Goodman	Chevrolet Camaro	?	23
					Chevrolet V8 N/A
69 DNF	GTU	15	Murray Racing	Dick Murray Terry Visger	Pontiac Fiero	?	20
					Pontiac 3.0L I4 N/A
70 DNF	GTO	70	Hi-Tech Coating	Tom Juckette Richard McDill Bill McDill	Chevrolet Camaro	?	19
					Chevrolet V8 N/A
71 DNF	GTO	21	OMR Engines	Gene Felton Lee Perkinson Matt Mnich	Chevrolet Camaro	?	10
					Chevrolet V8 N/A
72 DNF	GTO	88	Morrison-Cook Motorsport	John Heinricy Bob McConnell Bobby Carradine	Chevrolet Corvette	?	9
					Chevrolet V8 N/A
73 DNF	Lights	29	Ares Sports	Steve Phillips Ron Canizares Howard Katz	Tiga GT286	?	8
					Buick 3.0L N/A
74 DNF	GTO	04	Dave White Racing	Arthur Pilla Dave White George Drolsom	Porsche 944 Turbo	?	7
					?
DNS	GTO	92	Lance van Every	Ash Tisdelle Lance van Every	Chevrolet Camaro	?	0
					Chevrolet V8 N/A
Source:[2]