The 18th Annual 24 Hour Pepsi Challenge Daytona was a 24-hour GT race held on February 2–3, 1980 at the Daytona International Speedway road course. The race served as the opening round of the 1980 World Championship for Makes, 1980 World Challenge for Endurance Drivers and the 1980 IMSA GTX, GTO and GTU Championships.

Victory overall and in the GTX class went to the No. 2 Joest Racing run Porsche 935 J from Germany, driven by the all-German crew of Reinhold Jöst, Volkert Merl and Rolf Stommelen. Over the 24 hours elapsed time of the race the Joest Porsche completed 715 laps, covering 4,418 kilometres. The team won the race by 33 laps over the No. 09 Preston Henn run Porsche 935/77A driven by Al Holbert and John Paul. Another 18 laps behind was the No. 0 Porsche 935 K3/80 of Interscope Racing driven by Ted Field, Milt Minter and Danny Ongais.

Victory in the GTU Class and fifth outright was the No. 62 Porsche 914/6 driven by Jim Cook, Bill Koll and Greg LaCava by 14 laps over the No. 77 Mazda RX-7 of Jim Downing, Brad Frisselle and Roger Mandeville. Victory in the GTO class and sixth outright went to the No. 54 Montura Racing Porsche 911 Carrera RSR driven by Tony Garcia, Terry Herman and Alberto Vadia by a single lap over the Colombian No. 46 DeNarvaez Racing Porsche 911 Carrera RSR driven by Mauricio DeNarvaez, Ricardo Londoño and Albert Naon.

Race results Class winners denoted in bold and with .

ClassTeam / EntrantDriversCarEngine 1 GTX 2 Joest Racing Reinhold Jöst Volkert Merl Rolf Stommelen Porsche 935 J 715 Porsche 2.8 L Twin-turbo Flat-6 2 GTX 09 Thunderbird Swap Shops John Paul Al HolbertDNS: Preston Henn Porsche 935/77A 682 Porsche Turbo Flat-6 3 GTX 0 Interscope Racing Ted Field Milt Minter Danny Ongais Porsche 935 K3/80 664 Porsche Turbo Flat-6 4 GTX 80 All Canadian Racing Maurice Carter Craig Carter Murray Edwards Chevrolet Camaro 639 Chevrolet 7.0 V8 5 GTU 62 William J. Koll Bill Koll Jim Cook Greg LaCava Porsche 914/6 632 Porsche 2.0 L Flat-6 6 GTO 54 Montura Racing Tony Garcia Terry Herman Alberto Vadia Porsche 911 Carrera RSR 630 Porsche 3.0 L Flat-6 7 GTO 46 DeNarvaez Racing Mauricio DeNarvaez Ricardo Londoño Albert Naon Porsche 911 Carrera RSR 629 Porsche 3.0 L Flat-6 8 GTU 77 Roger Mandeville Roger Mandeville Jim Downing Brad Frisselle Mazda RX-7 618 Mazda 1.3 L Rotary 9 GTX 9 Dick Barbour Racing Bob Garretson Skeeter McKitterick Anny-Charlotte Verney Porsche 935 K3 599 Porsche 3.2 L Twin-turbo Flat-6 10 GTX 4 Jolly Club Carlo Facetti Martino FinottoDNS: Gianfranco Ricci Lancia Montecarlo Turbo 597 Lancia Lampedri 1.4 L Turbo I4 11 GTX 59 Brumos Porsche Audi Peter Gregg Hurley Haywood Bruce Leven Porsche 935/79 584 Porsche Turbo Flat-6 12 GTU 73 Z&W Enterprises Fred Apgar Pierre Honegger Mark Hutchins Mazda RX-7 546 Mazda Rotary 13 GTO 89 Hector Huerta Jean-Paul Libert Francisco Romero Ernesto Soto Porsche 911 Carrera RSR 544 Porsche 3.0 L Flat-6 14DNF GTO 65 Nicholas/McRoberts Racing Tony Adamowicz John Morton Ferrari 365 GTB/4 539 Ferrari Tipo 251 4.4 L V12 15 GTU 78 Revolution Wheels Robert Giesel Alan Johnson Bruce Nesbitt Mazda RX-2 533 Mazda 1.3 L Rotary 16DSQ GTX 93 Whittington Brothers Racing Bill Whittington Dale Whittington Don Whittington Porsche 935 K3 509 Porsche 3.2 L Turbo Flat-6 17 GTU 81 Trinity Racing Lyn St. James Mark Welch Tom Winters Mazda RX-7 498 Mazda Rotary 18 GTU 08 Moran Construction M. L. Speer Ray Ratcliff Terry Wolters Porsche 911 SC 489 Porsche 3.0 L Flat-6 19 GTU 57 Independent Personalized Wayne Baker Dan Gilliland Jeff Scott Porsche 914/4 486 Volkswagen 411E 1.6 L Flat-4 20 GTU 82 Trinity Racing John Casey Steve Dietrich Lee Mueller Mazda RX-7 483 Mazda Rotary 21 GTO 10 Oftedahl Trucking Dave Heinz Gerry Wellik Bob Young Chevrolet Camaro 476 Chevrolet 5.7 V8 22 GTO 22 Group Bruckmann Volker Bruckmann Rug Cunningham David Goodell Porsche 911 Carrera RSR 464 Porsche 3.0 L Flat-6 23 GTO 37 Botero Racing Jorge Cortés Honorato Espinosa Francisco López Porsche 911 Carrera RSR 457 Porsche 3.0 L Flat-6 24DNF GTU 39 JLC Racing Stu Fisher Amos Johnson Allan MoffatDNS: Brad Frisselle Mazda RX-7 440 Mazda Rotary 25DNF GTO 28 Tom Nehl Tom Nehl Peter Kirill Kathy Rude Chevrolet Camaro 435 Chevrolet 5.7 V8 26DNF GTO 37 T&R Racing Luis Méndez Tico Almeida Rene Rodriguez Porsche 911 Carrera RSR 423 Porsche 3.0 L Flat-6 27 GTO 15 Bavarian Motors International Bruno Beilcke Alf GebhardtDNS Helmut Trieb BMW 3.5 CSL 420 BMW M49 4.5 L I6 28 GTO 92 The Cummings Marque Don Cummings Guido Levetto Shelby GT350 410 Ford V8 29 GTX 6 Dick Barbour Racing Dick Barbour John Fitzpatrick Manfred Schurti Porsche 935 K3/80 405 Porsche 3.2 L Twin-turbo Flat-6 30DNF GTO 71 Keirn Garage Philip Keirn Ed Errington Larry Trotter Chevrolet Corvette C3 402 Chevrolet V8 31 GTX 76 Arrow Heating Co. Joe Chamberlain John Chamberlain Richard Valentine Chevrolet Corvette C3 393 Chevrolet 7.0 L V8 32DNF GTO 85 David Deacon Jacques Bienvenue David Deacon Peter Moennick Porsche 911 Carrera RSR 375 Porsche 3.0 L Flat-6 33 GTU 06 Intrepid, Inc. Joe DiBattista Tom Ciccone Alan Howes Porsche 911 358 Porsche Flat-6 34DNF GTU 79 Sports Ltd. Racing Pat Bedard Bob Bergstrom Mazda RX-7 355 Mazda Rotary 35 GTO 56 Rick Borlase Rick Borlase Michael Hammond Don Kravig Porsche 911 Carrera 348 Porsche Flat-6 36DNF GTX 69 Preston Henn Preston Henn Pierre Dieudonné Ferrari 512 BB LM 341 Ferrari Tipo F102B 4.9 L Flat-12 37DNF GTO 24 American Racing Team Ray Mummery Jack Refenning Ren Tilton Porsche 934 337 Porsche 3.0 L Turbo Flat-6 38DNF GTU 52 Snowmobile Racing Tom Cripe Joseph Hamilton Fred Snow Porsche 911 S 301 Porsche Flat-6 39DNF GTX 5 Racing Associates Charles Mendez Paul Miller Brian Redman Porsche 935 K3 290 Porsche Twin-turbo Flat-6 40DNF GTO 96 NTS Racing William Coykendall Bob Earl Fred Stiff Datsun 240Z 281 Datsun I6 41DNF GTO 42 Dick Neland Dick Neland Joe Cotrone Bill Ferran Chevrolet Camaro 270 Chevrolet 5.7 V8 42DNF GTU 95 Mike Ramirez Racing Mike Ramirez Luis Gordillo Manuel Villa Porsche 911 263 Porsche Flat-6 43DNF GTX 11 March Engineering Ian Grob Michael Korten Patrick Nève March-BMW M1/C 260 BMW M88 3.5 L I6 44DNF GTU 70 Herman Racing Chris Doyle Charles Guest Mike Meyer Mazda RX-7 250 Mazda Rotary 45DNF GTX 13 Andial Racing Elliot Forbes-Robinson Howard Meister Randolph Townsend Porsche 935 K3 233 Porsche Twin-turbo Flat-6 46DNF GTO 32 Scorpio Racing Eduardo Barrientos Enrique Molins Carlos Pineda Porsche 911 Carrera RSR 233 Porsche 3.0 L Flat-6 47DNF GTX 25 Deren Automotive Christine Beckers Dave Cowart Kenper Miller BMW M1 222 BMW M88 3.5 L I6 48DNF GTX 55 Racing Associates Claude Ballot-Léna Gérard Bleynie Ralph Kent-Cooke Porsche 935 217 Porsche Twin-turbo Flat-6 49DNF GTO 38 Boricua Racing Bonky Fernandez Tato Ferrer Kees Nierop Porsche 911 Carrera RSR 211 Porsche 3.0 L Flat-6 50DNF GTX 19 Chris Cord Racing Jim Adams Chris CordDNS: Dick Ferguson Chevrolet Monza 188 Chevrolet 6.0 L V8 51DNF GTX 94 Whittington Brothers Racing Axel Plankenhorn Dale Whittington Porsche 935/79 179 Porsche Turbo Flat-6 52DNF GTO 44 Group 44 Bob Tullius John Kelly John McComb Triumph TR8 171 Rover 3.9 L V8 53DNF GTO 75 Show Cars of Florida Stephen Bond Billy Hagan Dale Kreider Chevrolet Corvette C3 170 Chevrolet V8 54DNF GTX 05 Racing Associates Bob Akin Bobby Rahal Roy Woods Porsche 935 K3 156 Porsche Twin-turbo Flat-6 55DNF GTO 51 Moana Corp. Robert Kirby John Hotchkis John Hotchkis, Jr. Porsche 911 Carrera RSR 147 Porsche 3.0 L Flat-6 56DNF GTX 3 Jim Busby Racing Jim Busby Bruce Jenner Rick Knoop March-BMW M1/C 139 BMW M88 3.5 L I6 57DNF GTU 23 Frank L. Carney Frank Carney Dick Davenport Don Devendorf Datsun 280ZX 109 Nissan L28E 2.8 L I6 58 GTO 99 Full-Time Racing Phil Currin Chevrolet Corvette C3 89 Chevrolet V8 59DNF GTX 30 Electrodyne Gianpiero Moretti Bruce Canepa Fernando Cazzaniga Porsche 935 J 72 Porsche 3.2 L Twin-turbo Flat-6 60DNF GTO 58 Coco Lopez-Piña Colada Diego Febles Mandy Gonzalez Chiqui Soldevilla Porsche 911 Carrera RSR 60 Porsche 3.0 L Flat-6 61DNF GTO 16 Yenko Chevrolet-Honda Kim Mason Jerry Thompson Don Yenko Chevrolet Corvette C3 56 Chevrolet V8 62DNF GTU 17 Racing Beat Dennis Aase Walt Bohren Jeff Kline Mazda RX-7 51 Mazda Rotary 63DNF GTO 03 Toyota Village Rudy Bartling Werner Frank Angelo Pallavicini Porsche 934 51 Porsche 3.0 L Turbo Flat-6 64DNF GTU 83 Zotz Garage John Belperche Doug Zitza Harro Zitza Porsche 914/6 44 Porsche 2.0 L Flat-6 65DNF GTO 63 Guy Thomas Hugh Davenport Nort Northam Guy Thomas Chevrolet Camaro 29 Chevrolet 5.7 V8 66DNF GTX 07 Heimrath Racing Ludwig Heimrath Carlos Moran Johnny Rutherford Porsche 935 24 Porsche Twin-turbo Flat-6 67DNF GTU 18 Automobile International Anatoly Arutunoff George Drolsom José Marina Lancia Stratos HF 20 Ferrari Dino 2.4 L V6 68DNF GTO 88 Herb Adams VSE Herb Adams Walker Evans Kenny Roberts Pontiac Firebird 0 Pontiac V8 DNQ GTX 00 Interscope Racing Ted Field Milt Minter Danny Ongais Porsche 935/77A Porsche Turbo Flat-6 DNQ GTX 14 Renaissance Group Racing Pierre Dieudonné Jorge Koechlin Leon Walger Porsche 935 Porsche Turbo Flat-6 DNS GTO 8 Bob Beasley Bob Beasley Chuck Grantham George Stone Porsche 911 Carrera RSR Porsche 3.0 L Flat-6 DNS GTO 98 Van Every Racing Bill Johnson Ash Tisdelle Lance Van Every Porsche 911 Carrera RSR Porsche 3.0 L Flat-6 DNQ GTU 01 Roehrig Racing Francois Laurin J. Kurt Roehrig Dave White BMW 320i BMW M10 2.0 L I4 DNQ GTU 12 Sidney Smith III Sidney Smith Tommy Johnson Karl Schoepflin Porsche 914/6 Porsche 2.0 L Flat-6 DNQ GTU 33 A-10 Racing Richard Aten Jack Refenning Peter Welter Porsche 911 Porsche Flat-6 DNQ GTU 35 Janis Taylor Vic Provenzano Rex Ramsey Del Russo Taylor Alfa Romeo Alfetta GTV Alfa Romeo Twin Cam 2.0 L I4 DNS GTO 49 Tortilla Flats Racing Bob Copeman Jerry Demele Warwick Henderson Porsche 911 Carrera RSR Porsche 3.0 L Flat-6 DNS GTX 91 Grand Prix International Kerry Mitt Bob Pearl Richard Valentine Chevrolet Corvette C3 Chevrolet V8Source:

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