| Race Title: | Northeast Grand Prix |
| Series Long: | IMSA SportsCar Championship |
| Series Short: | USCC |
| Venue: | Lime Rock Park |
| First Race: | 1958 |
| First Imsa Sportscar: | 2015 |
| Last Race: | 2023 |
| Duration: | 2 hours 40 minutes |
| Previous Names: | Lime Rock Nationals, Camel GTO/GTU Grand Prix, Jamesway 300, New England Grand Prix |
| Most Wins Driver: | Klaus Graf (3) |
| Most Wins Team: | Muscle Milk Pickett Racing (3) |
| Most Wins Manufacturer: | Audi (4) |
The Northeast Grand Prix (until 2006: New England Grand Prix) was a professional sports car race held at Lime Rock Park in Lakeville, Connecticut, United States as part of the IMSA SportsCar Championship. Previous editions of the Grand Prix belonged to the SCCA National Sports Car Championship, the IMSA GT Championship and the American Le Mans Series. The race currently has a duration of 2 hours and 40 minutes and takes place in July, previously having been held on Independence Day weekend compared to the Lime Rock Grand Prix that was held on Memorial Day weekend.
| Year | Date | Overall Winner(s) | Entrant | Car | Distance/Duration | Race Title | Report | |
|---|---|---|---|---|---|---|---|---|
| SCCA National Sports Car Championship | ||||||||
| 1958 | July 5 | 50miles | Lime Rock National Championship Races | report | ||||
| 1959 | July 4 | 50miles | Lime Rock National Championship Races | report | ||||
| 1960 | July 2 | ? | SCCA National Races | report | ||||
| 1961 | July 1 | 45miles | Lime Rock National Races | report | ||||
| 1962 | June 30 | 28miles | Lime Rock Nationals | report | ||||
| 1963 | June 15 | 60miles | Lime Rock Nationals | report | ||||
| 1964 | October 31 | 60miles | Lime Rock Nationals | report | ||||
| 1965 -1985 | Not held | |||||||
| IMSA GT Championship (GT classes only) | ||||||||
| 1986 | September 1 | 2 Hours | Camel GTO/GTU Grand Prix | report | ||||
| 1987 | September 7 |  Dingman Bros Racing | 230miles | Camel GTO/GTU Grand Prix | report | |||
| 1988 | September 5 | Protofab Racing | 138miles | Camel GTO/GTU Grand Prix | report | |||
| 1989 | October 1 | Audi of America | 2 Hours | Camel GTO/GTU Grand Prix | report | |||
| 1990 | September 29 | Whistler Radar | Mercury Cougar XR-7 | 2 Hours | Jamesway 300 | report | ||
| 1991 | September 28 | Cunningham Racing | 2 Hours | Jamesway 300 | report | |||
| 1992 | September 26 | Cunningham Racing | 1 Hour, 45 Minutes | Jamesway 300 | report | |||
| 1993 -2003 | Not held | |||||||
| American Le Mans Series | ||||||||
| 2004 | July 5 | 2 hours, 45 minutes | New England Grand Prix | report | ||||
| 2005 | July 4 | 2 hours, 45 minutes | New England Grand Prix | report | ||||
| 2006 | July 1 | 2 hours, 45 minutes | New England Grand Prix | report | ||||
| 2007 | July 7 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2008 | July 12 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2009 | July 18 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2010 | July 24 | Porsche RS Spyder Evo | 2 hours, 45 minutes | Northeast Grand Prix | report | |||
| 2011 | July 9 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2012 | July 7 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2013 | July 6 | 2 hours, 45 minutes | Northeast Grand Prix | report | ||||
| 2014 | Not held | |||||||
| IMSA SportsCar Championship | ||||||||
| 2015 | July 25 | PR1/Mathiasen Motorsports | 2 hours 40 minutes | Northeast Grand Prix | report | |||
| 2016 | July 23 | 2 hours 40 minutes | Northeast Grand Prix | report | ||||
| 2017 | July 22 | 2 hours 40 minutes | Northeast Grand Prix | report | ||||
| 2018 | July 21 | 2 hours 40 minutes | Northeast Grand Prix | report | ||||
| 2019 | July 20 | 2 hours 40 minutes | Northeast Grand Prix | report | ||||
| 2020 | Moved to Charlotte - COVID-19 pandemic | |||||||
| 2021 | July 17 | 2 hours 40 minutes | Northeast Grand Prix | report | ||||
| 2022 | July 16 |  Pfaff Motorsports | 2 hours 40 minutes | FCP Euro Northeast Grand Prix | report | |||
| 2023 | July 22 | Heart of Racing Team | 2 hours 40 minutes | FCP Euro Northeast Grand Prix | report | |||