Thompson Speedway Motorsports Park

Thompson Speedway Motorsports Park
Oval (1940–present)
Location205 East Thompson Road
Thompson, Connecticut
Coordinates41°58′54″N 71°49′30″W / 41.9817°N 71.8250°W / 41.9817; -71.8250
OwnerDonald and D.R. Hoenig
OperatorDonald and D.R. Hoenig
Broke ground21 September 1938 (1938-09-21)
Opened26 May 1940 (1940-05-26)
Former namesThompson International Speedway (1983–1997, 2000–2012)
Thompson Speedway (1940–1952, 1972–1979, 1998–1999)
Big Thompson Speedway (1980–1982)
Thompson Raceway (1953–1971)
Major eventsCurrent:
NASCAR Whelen Modified Tour (1985–2020, 2022–present)
24 Hours of Lemons (2015–present)
Former:
NASCAR K&N Pro Series East
King Cadillac GMC Throwback 100 (1988–1991, 1993–2009, 2017–2018)
American Canadian Tour (1981–1982, 1984–1985, 2015–2019, 2021)
Global Rallycross (2017)
Formula Lites (2015)
Atlantic Championship Series (2014)
NASCAR Whelen Southern Modified Tour (2011–2012)
X-1R Pro Cup (2001)
NASCAR Grand National Series (1951, 1969–1970)
SCCA Continental Championship (1968–1969)
Websitethompsonspeedway.com
Oval (1940–present)
SurfaceAsphalt
Length0.625 mi (1.006 km)
Turns4
BankingStraights: 2°
Turns: 15°
Road Course (1968–1972, 2014–present)
SurfaceAsphalt
Length1.700 mi (2.736 km)
Turns11
Race lap record0:59.400 ( David Hobbs, Surtees TS5, 1969, F5000)
Original Road Course (1957-1967)
SurfaceAsphalt
Length2.000 mi (3.219 km)
Turns12

Thompson Speedway Motorsports Park (TSMP), formerly Thompson Speedway and Thompson International Speedway, is a motorsports park in Thompson, Connecticut, featuring a 0.625 mi (1.006 km) asphalt oval racetrack and a 1.700 mi (2.736 km) road racing course. Once known as the "Indianapolis of the East", it was the first asphalt-paved racing oval track in the United States and is now under the NASCAR Whelen All-American Series banner. Each year Thompson hosts one of the great fall variety events "The World Series of Auto Racing" highlighted by the International Supermodified Association and the NASCAR Whelen Modified Tour. This event frequently draws over 350 race cars in 16 separate divisions over three days. Thompson Speedway Motorsports Park is the track that had hosted the most ever races in the modern era of the NASCAR Whelen Modified Tour with 146 races from 1985 to 2019.

The speedway also had hosted 3 NASCAR Cup Series races, one in 1951 and two between 1969 and 1970. The facility also had hosted 5 NASCAR North Tour events from 1981 to 1985 and 29 NASCAR K&N Pro Series East races, between 1988 and 2018.