| 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 |
