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. The race was removed from the IMSA SportsCar Championship in 2024, however it will return in 2027 as part of the Michelin Pilot Challenge.