Campionato nazionale GT nato nel 1990 sotto legida Sports Car Club of America (SCCA), nel 2017 passa sotto la United States Auto Club (USAC); dal 2019 prende la denominazione di GT World Challenge America e viene organizzato dalla SRO Motorsports Group.

2009 || 2014 | 2015 | 2016 | 2017 | 2018 || 2021

Classifica | Piazzamenti

2014
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
	GT 7	Robert Thorne	K-PAX Racing	McLaren MP4-12C GT3
	GT 13	Alex Figge	K-PAX Racing	McLaren MP4-12C GT3

2015
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
	GT 5	Kevin Estre	K-PAX Racing	McLaren 650S GT3
	GT 16	Robert Thorne	K-PAX Racing	McLaren 650S GT3

2016
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
	GT 1	Alvaro Parente	K-PAX Racing	McLaren 650S GT3
	GT 8	Austin Cindric	K-PAX Racing	McLaren 650S GT3
	GT 12	Jon Fogarty	Gainsco/Bob Stallings Racing	McLaren 650S GT3
	GT 15	Colin Thompson	K-PAX Racing	McLaren 650S GT3

2017
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
3	GT-X Pro/Pro 7	Alvaro Parente	K-PAX Racing	McLaren 650S GT3
19	GT-X Pro/Pro 7	Ben Barnicoat	K-PAX Racing	McLaren 650S GT3
7	GT-X Pro/Pro 11	Bryan Sellers	K-PAX Racing	McLaren 650S GT3
34	GT-X Pro/Pro 19	Jonny Kane	K-PAX Racing	McLaren 650S GT3
31	GT-X Pro/Am 10	Michael Lewis	K-PAX Racing	McLaren 650S GT3
49	GT-X Pro/Am 10	Mike Hedlund	K-PAX Racing	McLaren 650S GT3
	GTS-X Pro/Am	George Kurtz	GMG Racing	McLaren 570S GT4
	GTS-X Pro/Am	Kenton Koch	GMG Racing	McLaren 570S GT4
	GTS-X Am/Am 3	Alan Brynjolfsson	Volt Racing	McLaren 570S GT4
	GTS-X Am/Am 3	Chris Hall	Volt Racing	McLaren 570S GT4
6	GTS Am 1	George Kurtz	GMG Racing	McLaren 570S GT4
9	GTS Am 3	Mark Klenin	KPR	McLaren 570S GT4
27	GTS Am 15	Alan Brynjolfsson	Volt Racing	McLaren 570S GT4
49	GTA 9	Mike Hedlund	K-PAX Racing	McLaren 650S GT3
3	GT 2	Alvaro Parente	K-PAX Racing	McLaren 650S GT3
7	GT 5	Bryan Sellers	K-PAX Racing	McLaren 650S GT3

2018
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
33	GTS SX Pro/Am	Mark Klenin	KPR	McLaren 570S GT4
48	GTS SX Pro/Am 27	Paul Holton	Compass Racing	McLaren 570S GT4
52	GTS SX Pro/Am 32	Ray Mason	Compass Racing	McLaren 570S GT4
53	GTS SX Pro/Am 41	Al Carter	Compass Racing	McLaren 570S GT4
72	GTS SX Pro/Am 51	Andy Lee	GMG Racing	McLaren 570S GT4
72	GTS SX Pro/Am 51	Elias Sabo	GMG Racing	McLaren 570S GT4
87	GTS SX Pro/Am 53	Kris Wilson	KPR	McLaren 570S GT4
	GTS SX Pro/Am	Andrew Novich	Compass Racing	McLaren 570S GT4
	GTS SX Pro/Am	Max Riddle	KPR	McLaren 570S GT4
33	GTS SX Am 16	Mark Klenin	KPR	McLaren 570S GT4
33	GTS Am 7	Mark Klenin	KPR	McLaren 570S GT4

2021
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
	Pro/Am 14	Brendan Iribe	Inception Racing	McLaren 720S GT3
	Pro/Am 14	Ollie Millroy	Inception Racing	McLaren 720S GT3
	Pro/Am	Kevin Madsen	Inception Racing	McLaren 720S GT3