The Lime Rock Grand Prix (2010 name: Memorial Day Classic) is a sports car race held at Lime Rock Park in Lakeville, Connecticut, United States on the Memorial Day weekend. It had been a part of the Grand-Am Rolex Sports Car Series, SCCA National Sports Car Championship, USAC Road Racing Championship, Trans-Am Series, IMSA GT Championship and United States Road Racing Championship. The revived version in 2017 is for the United States Auto Club Pirelli World Challenge.

Year	Date	Overall Winner(s)	Entrant	Car	Distance/Duration	Race Title	Report
SCCA National Sports Car Championship
1957	June 9	Carroll Shelby	John Edgar	Maserati 300S	60 miles (97 km)	Lime Rock National Championship Sports Car Races	report
1958	June 15	Walt Hansgen	Briggs Cunningham	Lister-Jaguar	60 miles (97 km)	Lime Rock National Sports Car Races	report
USAC Road Racing Championship
1959	June 6	George Constantine	Elisha Walker	Aston Martin DBR2	180 kilometres (110 mi)		report
1960 -1971	Not held
IMSA GT Championship
1972	May 29	Jim Locke Bob Bailey	Locke Family Enterprises	Porsche 911S	200 miles (320 km)	Camel 200	report
1973	September 15	Michael Keyser	Toad Hall Motor Racing	Porsche Carrera RSR	100 miles (160 km)		report
		Peter Gregg	Peter Gregg	Porsche Carrera	100 miles (160 km)
1974	September 2	Peter Gregg	Brumos Porsche-Audi	Porsche Carrera RSR	100 miles (160 km)		report
		Michael Keyser	Toad Hall Motor Racing	Porsche Carrera RSR	100 miles (160 km)
1975	May 26	Peter Gregg	?	Porsche Carrera RSR	100 miles (160 km)	Schaefer 350	report
		Al Holbert	?	Porsche Carrera RSR	100 miles (160 km)
1976	May 31	George Dyer	George Dyer	Porsche Carrera RSR	100 miles (160 km)	Coca-Cola Lime Rock Camel GT Challenge	report
1977	May 30	Al Holbert	Holbert Racing	Chevrolet Monza	100 miles (160 km)	Coca-Cola 350	report
1978	May 29	Peter Gregg	Brumos Porsche	Porsche 935/77A	100 miles (160 km)	Coca-Cola 300	report
1979	May 28	Peter Gregg	Brumos Porsche	Porsche 935/79	100 miles (160 km)	Coca-Cola 350	report
1980	May 26	John Paul Sr. John Paul Jr.	Preston Henn	Porsche 935 K3	1 hour, 30 minutes	Coca-Cola 400	report
1981	May 24	Brian Redman	Preston Henn	Lola T600-Chevrolet	2 hours	Coca-Cola 400	report
1982	May 31	John Fitzpatrick	John Fitzpatrick Racing	Porsche 935 K4	1 hour	Coca-Cola 400	report
1983	May 30	Bob Tullius Bill Adam	Group 44	Jaguar XJR-5	3 hours	Coca-Cola 500	report
1984	May 28	Sarel van der Merwe	Kreepy Krauly Racing	March 83G-Porsche	1 hour	Coca-Cola 500	report
1985	May 27	Drake Olson	Dyson Racing	Porsche 962	2 hours	Coca-Cola 500	report
1986	May 26	Al Holbert	Holbert Racing	Porsche 962	225 miles (362 km)	Camel Grand Prix	report
1987	May 24	Al Holbert	Holbert Racing	Porsche 962	225 miles (362 km)	Camel Grand Prix	report
1988	May 30	Geoff Brabham	Electramotive Engineering	Nissan GTP ZX-T	225 miles (362 km)	Camel Grand Prix	report
1989	May 29	Geoff Brabham	Electramotive Engineering	Nissan GTP ZX-T	225 miles (362 km)	Toyota Trucks Grand Prix	report
1990	May 28	Price Cobb John Nielsen	Castrol Jaguar Racing	Jaguar XJR-10	225 miles (362 km)	Toyota Trucks Grand Prix	report
1991	May 26	Chip Robinson	Nissan Performance Technology, Inc.	Nissan NPT-91	2 hours	Toyota Trucks presents the Lime Rock Grand Prix	report
1992	May 25	Juan Manuel Fangio II	All American Racers	Eagle Mk III-Toyota	2 hours	Toyota Trucks Lime Rock Grand Prix	report
1993	May 31	Juan Manuel Fangio II	All American Racers	Eagle Mk III-Toyota	2 hours	Toyota Trucks Lime Rock Grand Prix	report
1994	May 30	Eliseo Salazar Giampiero Moretti	Momo	Ferrari 333 SP	2 hours	New England Dodge Dealers Grand Prix at Lime Rock	report
1995	May 29	Wayne Taylor	Momo	Ferrari 333 SP	1 hour, 45 minutes	Dodge Dealers Grand Prix at Lime Rock	report
1996	May 27	Giampiero Moretti Max Papis	Momo Corse	Ferrari 333 SP	1 hour, 45 minutes	ATCALL presents the Dodge Dealers Grand Prix	report
1997	May 26	Antônio Hermann Andrea Montermini	Moretti Racing	Ferrari 333 SP	1 hour, 45 minutes	Connecticut Lottery presents the Dodge Dealers Grand Prix	report
1998	May 25	Butch Leitzinger James Weaver	Dyson Racing	Riley & Scott Mk III-Ford	1 hour, 45 minutes	Dodge Dealers Grand Prix	report
United States Road Racing Championship
1999	May 30	Fredy Lienhard Didier Theys	Doran Lista Racing	Ferrari 333 SP	2 hours, 15 minutes	Dodge Dealers Grand Prix	report
Grand American Road Racing Championship
2000	May 29	Butch Leitzinger James Weaver	Dyson Racing	Riley & Scott Mk III-Ford	150 miles (240 km)	Dodge Dealers Grand Prix	report
2001	May 28	Butch Leitzinger James Weaver	Dyson Racing	Riley & Scott Mk III-Ford	40 minutes	Dodge Dealers Grand Prix	report
		Butch Leitzinger James Weaver	Dyson Racing	Riley & Scott Mk III-Ford	45 minutes
Trans-Am Series
2002	May 27	Boris Said	ACS Express Racing	Panoz Esperante	100 miles (160 km)	Mohegan Sun presents The Lime Rock Park Grand Prix	report
2003	May 26	Johnny Miller	Rocketsports Racing	Jaguar XKR	100 miles (160 km)	Mohegan Sun presents The Lime Rock Park Grand Prix	report
2004 -2005	Not held
2006	May 29	Andy Lally R.J. Valentine Marc Bunting	The Racer's Group	Pontiac GTO.R	250 mi (400 km)	Rolex GT Series Challenge	report
2007	May 28	Leighton Reese Tim Lewis Jr.	Banner Racing	Pontiac GXP.R	2 Hours, 30 Minutes	Grand-Am GT Classic	report
2008	May 26	Paul Edwards Kelly Collins	Banner Racing	Pontiac GXP.R	250 mi (400 km)	Grand-Am GT Classic	report
2009	Not held
2010	May 31	Max Angelelli Ricky Taylor	SunTrust Racing	Dallara DP01-Ford	2 hours 30 minutes	Memorial Day Classic	report
2011	May 31	Max Angelelli Ricky Taylor	SunTrust Racing	Dallara DP01-Chevrolet	2 hours 45 minutes	Memorial Day Classic	report
2012	Sept 29	Max Angelelli Ricky Taylor	SunTrust Racing	Corvette DP	2 hours 45 minutes	Championship Weekend	report
2013	Sept 28	Max Angelelli Jordan Taylor	Wayne Taylor Racing	Corvette DP	2 hours 45 minutes	Championship Weekend presented by BMW	report

• World Sports Racing Prototypes: SCCA Nationals archive
• World Sports Racing Prototypes: IMSA archive
• World Sports Racing Prototypes: USRRC archive
• World Sports Racing Prototypes: Grand-Am archive
• Racing Sports Cars: Lime Rock archive
• Ultimate Racing History: Lime Rock archive