The 20th Annual 24 Hour Pepsi Challenge was a 24-hour endurance sports car race held on January 30-January 31, 1982^[1] at the Daytona International Speedway road course. The race served as the opening round of the 1982 IMSA GT Championship.

Victory overall and in the GTP class went to the No. 18 JLP Racing Porsche 935 driven by John Paul, John Paul Jr., and Rolf Stommelen.^[2][3] Victory in the GTO Class went to the No. 77 Mazda of North America Mazda RX-7 driven by Yoshimi Katayama, Takashi Yorino, and Yojiro Terada. Victory in the GTU class went to the No. 98 Kent Racing Mazda RX-7 driven by Kathy Rude, Lee Mueller, and Allan Moffat.

Race results

Class winners in bold.

Pos	Class	No	Team	Drivers	Car	Laps
1	GTP	18	JLP Racing	John Paul John Paul Jr. Rolf Stommelen	Porsche 935	719
2	GTP	5	Bob Akin Motor Racing	Bob Akin Craig Siebert Derek Bell	Porsche 935	708
3	GTP	46	Garretson Enterprises	Mauricio de Narváez Bob Garretson Jeff Wood	Porsche 935	683
4	GTO	77	Mazda of North America	Yoshimi Katayama Takashi Yorino Yojiro Terada	Mazda RX-7	644
5	GTO	05	T&R Racing	Ernesto Soto Rene Rodriguez Tico Almeida	Porsche 911 Carrera RSR	642
6	GTU	98	Kent Racing	Kathy Rude Lee Mueller Allan Moffat	Mazda RX-7	640
7	GTU	92	Kent Racing	Jim Mullen Walt Bohren Ron Grable	Mazda RX-7	632
8	GTP	26	Auriga Racing	Tom Nehl Tommy Riggins Nelson Silcox	Chevrolet Camaro	626
9	GTO	24	901 Shop	Jack Refenning Ren Tilton Rusty Bond	Porsche 934	618
10	GTU	38	Mandeville Racing Enterprises	Roger Mandeville Amos Johnson Jeff Kline	Mazda RX-7	615
11	GTO	36	Herman & Miller P&A	Paul Miller Pat Bedard Jürgen Barth	Porsche 924 Carrera GTR	608
12	GTO	37	Kend Co. Enterprises	Dick Neland Ed Kuhel Nort Northam	Chevrolet Camaro	602
13	GTP	86	Bayside Disposal Racing	Hurley Haywood Bruce Leven Al Holbert	Porsche 935	598
14	GTU	63	Downing/Atlanta Racing	Tom Waugh Jim Downing John Maffucci	Mazda RX-7	590
15	GTU	57	Red Roof Inn	Doug Carmean John O'Steen Ed Primm	Mazda RX-7	584
16	GTO	35	W-S Enterprises	M. L. Speer Ray Ratcliff Terry Wolters	Porsche 911 Carrera RSR	583
17	GTO	01	Marketing Corp. of America	John Morton Tom Klausler	Ford Mustang	569
18 DNF	GTU	66	Dunham Trucking	Jack Dunham Scott Smith Scott Smith Jr.	Mazda RX-7	562
19	GTO	58	Brumos Racing	Doc Bundy Jim Busby Manfred Schurti	Porsche 924 Carrera GTR	558
20	GTO	88	Bob Beasley	Bob Beasley George Stone Jack Lewis	Porsche 911 Carrera RSR	558
21	GTP	444	Group 44	Bob Tullius Bill Adam Gordon Smiley	Jaguar XJS	533
22	GTO	72	Carrera Motorsports	Jean Kjoller Bob Nikel Grady Clay	Porsche 911 Carrera RSR	529
23 DNF	GTP	6	N.A.R.T.	Bob Wollek Edgar Dören Randy Lanier	Ferrari 512 BB	523
24 DNF	GTP	9	Garretson Enterprises	Bobby Rahal Bruce Canepa Jim Trueman	March 82G	514
25	GTU	78	Der Klaus Haus	Scott Flanders Klaus Bitterauf Vicki Smith	Porsche 911	511
26 DNF	GTO	54	Montura Racing	Tony Garcia Albert Naon Rob McFarlin	BMW M1	475
27	GTO	50	Diego Febles Racing	Diego Febles Tato Ferrer Chiqui Soldevilla	Porsche 911 Carrera RSR	464
28	GTO	80	Herb Adams	Roger Mears Leonard Emanuelson Herb Adams	Pontiac Firebird	435
29 DNF	GTO	84	Scorpio Racing	"Jamsal" Eduardo Barrientos Eduardo Galdamez	Porsche 934	420
30	GTO	4	Oftedahl Racing	Bob Raub Bob Leitzinger Art Pasmas	Pontiac Firebird	420
31 DNF	GTP	3	Belcher Racing	Danny Sullivan Gary Belcher Hubert G. Phipps	Rondeau M382	408
32 DNF	GTP	65	Prancing Horse Farm Racing	Rick Knoop Carson Baird Tom Pumpelly	Ferrari 512 BB	377
33	GTP	51	Meldeau Tire World	Tom Juckette Mike Meldeau Bill McDill	Chevrolet Camaro	351
34 DNF	GTP	62	Golden Eagle Racing	Bill Koll Irv Hoerr Skeeter McKitterick	Rondeau M382	338
35	GTU	30	Case Racing	Russ Long Craig Case Ron Case	Porsche 911	332
36 DNF	GTO	02	Marketing Corp. of America	John Bauer Gary Pratt Milt Minter	Ford Mustang	321
37	GTO	20	AutoWest	Ron Hunter Richard Turner Duane Eitel	Mercury Capri	304
38 DNF	GTP	44	Stratagraph	Billy Hagan Terry Labonte Gene Felton	Chevrolet Camaro	295
39	GTO	29	Oberdorfer Research	Dave Heinz Peter Kirill Hoyt Overbagh	Chevrolet Monza	276
40 DNF	GTO	21	Crevier & Associates	Joe Crevier Fred Stiff Dennis Wilson	BMW M1	267
41	GTU	42	Gary Wonzer	Gary Wonzer Bill Bean Chuck Grantham	Porsche 911	261
42 DNF	GTU	23	Raytown Datsun/D. Preston	Dick Davenport Frank Carney John McComb	Datsun 280ZX	247
43	GTO	34	Drolsom Racing	George Drolsom Bill Johnson Werner Frank	Porsche 924 Carrera GTR	238
44 DNF	GTP	10	Oftedahl Racing	Carl Shafer Joe Mooney Tony Brassfield	Chevrolet Camaro	231
45 DNF	GTP	09	Thunderbird Swap Shop	Preston Henn Desiré Wilson Marty Hinze	Porsche 935	229
46 DNF	GTO	49	Copeman Racing	Jerry Jolly Bob Copeman Tom Alan Marx	Porsche 911 Carrera RSR	220
47 DNF	GTU	83	Zotz Garage	Harro Zitza John Belperche Doug Zitza	Porsche 914	213
48 DNF	GTU	13	Hallet Motor Racing Circuit	Anatoly Arutunoff Jose Marina	Lancia Stratos HF	209
49 DNF	GTU	27	Scuderia Rosso	Jim Fowells Ray Mummery John Carusso	Mazda RX-7	168
50 DNF	GTO	43	Bob Gregg Racing	Bob Young Bob Gregg Ray McIntyre	Porsche 911 Carrera RSR	161
51 DNF	GTP	7	Cooke Racing	Ralph Kent-Cooke Eppie Wietzes Jim Adams	Lola T600	138
52 DNF	GTO	67	Levi's Team Highball	Les Delano Andy Petery Jeremy Nightingale	AMC Spirit AMX	137
53	GTP	70	Genesis Racing	Larry Chmura Jim Schofield Brent Regan	Chevron GTP	119
54 DNF	GTU	08	Portia Parlor	Alan Howes Paul Nacthwey Oliver Jones	Porsche 911 SC	103
55 DNF	GTO	75	Performance Plus Products	Dale Kreider Keith Swope Peter Knab	Chevrolet Corvette C3	101
56 DNF	GTO	07	Heimrath Racing	Ludwig Heimrath Ludwig Heimrath Jr.	Porsche 924 Carrera GTR	91
57 DNF	GTO	60	Bob's Speed Products	Guy Church Tom Alan Marx Bob Lee	AMC AMX	91
58 DNF	GTO	15	D&L Performance	Dave Panaccione Chip Mead John Graham	Porsche 911 Carrera RSR	71
59 DNF	GTO	73	Wolf Engine	Clark Howey Dale Koch Tracy Wolf	Chevrolet Camaro	70
60 DNF	GTP	25	Red Lobster Racing	Dave Cowart Kenper Miller Charles Mendez	March 82G	68
61 DNF	GTP	2	John Fitzpatrick Racing	John Fitzpatrick David Hobbs Wayne Baker	Porsche 935	59
62 DNF	GTP	0	Interscope Racing	Ted Field Danny Ongais Bill Whittington	Porsche 935	55
63 DNF	GTO	89	Herb Adams	Gary English Jerry Thompson David Price	Chevrolet Camaro	42
64 DNF	GTU	87	Ralph Sanchez Racing	Armando Ramirez Steve Cook Bill Cooper	Mazda RX-7	26
65 DNF	GTO	79	Promo Ltd./Whitehall Cap.	Bob Bergstrom Tom Winters Robert Overby	Porsche 924 Carrera GTR	12
66 DNF	GTO	41	Starved Rock Ledge	Rusty Schmidt Scott Schmidt Kerry Hitt	Chevrolet Corvette	9
67 DNF	GTU	52	Ours & Hours Racing	Jack Swanson Fred Snow Tom Cripe	Porsche 911	2
68 DNF	GTO	11	Kendall Racing	Dennis Aase Chuck Kendall John Hotchkis	BMW M1	1
69 DNF	GTP	47	Tide Racing	Bernard de Dryver Tom Davis	Ferrari 512 BB	1
Source:[2]