The GT and Prototype classes did not participate in all events, nor did they race together at shorter events. Races marked as GT featured both GTO and GTU classes combined, while Proto signifies GTP and Lights running together. Races marked with All had all classes on track at the same time.
Rnd | Circuit | GTP Winning Team | Lights Winning Team | GTO Winning Team | GTU Winning Team | Results |
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GTP Winning Drivers | Lights Winning Drivers | GTO Winning Drivers | GTU Winning Drivers |
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1 | Daytona | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #13 Outlaw Racing | {{flagicon>USA}} #64 Raintree Corp. | {{flagicon>USA}} #71 Team Highball | Results |
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USA}} Al Holbert {{flagicon|USA}} Al Unser, Jr. {{flagicon|GBR}} Derek Bell | USA}} Frank Rubino {{flagicon|USA}} Ray Mummery {{flagicon|USA}} John Schneider | USA}} Lee Mueller {{flagicon|USA}} Maurice Hassey {{flagicon|USA}} Lanny Hester | USA}} Jack Dunham {{flagicon|USA}} Amos Johnson {{flagicon|USA}} Dennis Shaw |
2 | Miami | {{flagicon>USA}} #86 Bayside Disposal | {{flagicon>USA}} #01 AT&T | {{flagicon>USA}} #76 Peerless Racing | {{flagicon>USA}} #55 Huffaker Eng. | Results |
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FRA}} Bob Wollek {{flagicon|ITA}} Paolo Barilla | USA}} Don Bell | USA}} Jack Baldwin | USA}} Bob Earl |
3 | Sebring | {{flagicon>USA}} #5 Bob Akin Racing | {{flagicon>USA}} #66 Mike Meyer Racing | {{flagicon>USA}} #7 7-Eleven Roush | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Bob Akin {{flagicon|DEU}} Hans-Joachim Stuck {{flagicon|AUT}} Jo Gartner | USA}} Mike Meyer {{flagicon|USA}} Jeff Kline {{flagicon|USA}} Jim Rothbarth | USA}} Scott Pruett {{flagicon|USA}} Bruce Jenner{{efn|name=a|Jenner changed her name due to gender transition in 2015.[1] }} | USA}} Roger Mandeville {{flagicon|USA}} Danny Smith |
4 | Road Atlanta | {{flagicon>USA}} #52 Hendrick | {{flagicon>USA}} #63 Certified Brakes | {{flagicon>USA}} #11 Roush Racing | {{flagicon>USA}} #55 Huffaker Eng. | Results |
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USA}} Doc Bundy {{flagicon|RSA|1928}} Sarel van der Merwe | USA}} Jim Downing {{flagicon|USA}} John Maffucci | USA}} Scott Pruett | USA}} Bob Earl |
5 | Riverside | {{flagicon>USA}} #16 Dyson Racing | {{flagicon>USA}} #63 Certified Brakes | {{flagicon>USA}} #76 Peerless Racing | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Price Cobb {{flagicon|USA}} Rob Dyson | USA}} Jim Downing {{flagicon|USA}} John Maffucci | USA}} Jack Baldwin {{flagicon|USA}} Jim Miller | USA}} Roger Mandeville {{flagicon|USA}} Danny Smith |
6 | Laguna Seca | {{flagicon>USA}} #7 Zakspeed USA | {{flagicon>GBR}} #24 Spice Engineering | {{flagicon>USA}} #07 Roush Racing | {{flagicon>USA}} #75 Clayton Cunningham | Results |
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DEU}} Klaus Ludwig | USA}} Bob Earl | USA}} Scott Pruett | USA}} Tommy Kendall |
7 | Charlotte | {{flagicon>USA}} #16 Dyson Racing | {{flagicon>GBR}} #24 Spice Engineering | {{flagicon>USA}} #76 City Peerless | {{flagicon>USA}} #75 Clayton Cunningham | Results |
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USA}} Price Cobb {{flagicon|USA}} Drake Olson | USA}} Bob Earl {{flagicon|GBR}} Ray Bellm | USA}} Jack Baldwin | USA}} Tommy Kendall |
8 | Lime Rock | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #70 Z&W Motorsports | Did Not Participate | Did Not Participate | Results |
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USA}} Al Holbert | USA}} David Loring |
9 | Mid-Ohio | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #09 Ball Bros. Racing | {{flagicon>USA}} #11 Roush Racing | {{flagicon>USA}} #55 Huffaker Eng. | Results |
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USA}} Al Holbert {{flagicon|GBR}} Derek Bell | USA}} Steve Durst {{flagicon|USA}} Mike Brockman | USA}} Scott Pruett | USA}} Bob Earl |
10 | Palm Beach | {{flagicon>USA}} #52 Hendrick | {{flagicon>USA}} #80 Gaston Andrey | {{flagicon>USA}} #11 Roush Racing | {{flagicon>USA}} #38 Mandeville | Results |
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USA}} Doc Bundy {{flagicon|RSA|1928}} Sarel van der Merwe | ITA}} Carlo Facetti {{flagicon|ITA}} Ruggero Melgrati | USA}} Scott Pruett | USA}} Roger Mandeville |
11 | Watkins Glen | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #6 Morgan Perf. | {{flagicon>USA}} #76 Peerless Racing | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Al Holbert {{flagicon|GBR}} Derek Bell | USA}} Charles Morgan {{flagicon|USA}} Logan Blackburn | USA}} Jack Baldwin {{flagicon|USA}} Geoff Bodine | USA}} Roger Mandeville {{flagicon|USA}} Danny Smith |
12 | Portland | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #63 Certified Brakes | {{flagicon>USA}} #7 Roush Racing | {{flagicon>USA}} #55 Huffaker Racing | Results |
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USA}} Al Holbert | USA}} Jim Downing | USA}} Scott Pruett {{flagicon|USA}} Bruce Jenner{{efn|name=a}} | USA}} Bob Earl |
13 | Sears Point | {{flagicon>USA}} #16 Dyson Racing | {{flagicon>USA}} #63 Certified Brakes | {{flagicon>USA}} #77 Brooks Racing | {{flagicon>USA}} #75 Clayton Cunningham | Results |
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USA}} Price Cobb {{flagicon|USA}} Rob Dyson | USA}} Jim Downing | USA}} Willy T. Ribbs | USA}} Tommy Kendall |
14 | Road America | {{flagicon>USA}} #14 Holbert Racing | {{flagicon>USA}} #80 Gaston Andrey | {{flagicon>USA}} #98 All American Racers | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Al Holbert {{flagicon|USA}} Al Unser, Jr. | ITA}} Martino Finotto {{flagicon|ITA}} Ruggero Melgrati | USA}} Rocky Moran {{flagicon|USA}} Dennis Aase | USA}} Roger Mandeville {{flagicon|USA}} Danny Smith |
15 | Lime Rock | Did Not Participate | Did Not Participate | {{flagicon>USA}} #76 Peerless-Hendrick | {{flagicon>USA}} #75 Clayton Cunningham | Results |
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USA}} Jack Baldwin | USA}} Tommy Kendall |
16 | Watkins Glen | {{flagicon>USA}} #18 BMW North America | {{flagicon>GBR}} #24 Spice Engineering | {{flagicon>USA}} #98 All American Racers | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} John Andretti {{flagicon|USA}} Davy Jones | USA}} Bob Earl {{flagicon|USA}} Chip Ganassi | USA}} Dennis Aase | USA}} Roger Mandeville |
17 | Columbus | {{flagicon>USA}} #85 Bayside Disposal | {{flagicon>USA}} #09 Ball Bros. Racing | {{flagicon>USA}} #77 Brooks Racing | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Scott Pruett {{flagicon|FRA}} Bob Wollek | USA}} Steve Durst {{flagicon|USA}} Mike Brockman | USA}} Willy T. Ribbs | USA}} Roger Mandeville |
18 | Daytona | {{flagicon>USA}} #44 Group 44 | {{flagicon>USA}} #73 Howard Katz | {{flagicon>USA}} #11 Roush Racing | {{flagicon>USA}} #38 Mandeville Auto | Results |
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USA}} Bob Tullius {{flagicon|USA}} Chip Robinson | USA}} Howard Katz {{flagicon|USA}} Steve Phillips | USA}} Scott Pruett | USA}} Roger Mandeville |
1. ^{{cite web|author = Buzz Bissinger |title=Introducing Caitlyn Jenner|url=http://www.vanityfair.com/hollywood/2015/06/caitlyn-jenner-bruce-cover-annie-leibovitz/|work=Vanity Fair|date=June 1, 2015|accessdate=June 1, 2015}}