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| "The Magic Mile" | |
|---|---|
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 New Hampshire Motor Speedway Oval Course (1990–present) | |
| Location | Loudon, New Hampshire |
| Time zone | UTC−5 (UTC−4 DST) |
| Coordinates | 43°21′44.14″N 71°27′40.5″W / 43.3622611°N 71.461250°W |
| Capacity | 76,000 (seated) |
| Owner | Speedway Motorsports (November 2007–present) |
| Operator | Speedway Motorsports (November 2007–present) |
| Broke ground | as New Hampshire Motor Speedway: 13 August 1989 |
| Opened | as Bryar Motorsports Park: 1964 as New Hampshire Motor Speedway: 5 June 1990 |
| Former names | New Hampshire International Speedway (1990–2007) Bryar Motorsports Park (1964–1989) |
| Major events | Current: NASCAR Cup Series USA TODAY 301 (1993–present) ISM Connect 300 (1997–2017) NASCAR Xfinity Series SciAps 200 (1990–2019, 2021–2024) NASCAR Whelen Modified Tour Whelen 100 (1990–present) Loudon Classic (1965–present) Future: NASCAR Pinty's Series Visit New Hampshire 100 (2018–2019) IndyCar Series New Hampshire Indy 225 (1992–1998, 2011) AMA Superbike Championship (1976–2001) Trans-Am (1966–1972) IMSA GT (1972) |
| Website | www |
| Oval (1990–present) | |
| Surface | Asphalt and Granite |
| Length | 1.058 miles (1.703 km) |
| Banking | Turns: 2-7° Straights: 1° |
| Race lap record | 0:22.3481 ( Scott Dixon, Dallara IR-05, 2011, IndyCar) |
| New Hampshire Road Course (1991–present) | |
| Length | 1.600 miles (2.575 km) |
| Bryar Motorsports Park Road Course (1964–1989) | |
| Length | 1.600 miles (2.575 km) |
| Race lap record | 1:12.100 ( George Follmer, Ford Mustang Boss 302, 1971, Trans-Am (TO)) |
New Hampshire Motor Speedway is a 1.058 mi (1.703 km) oval speedway located in Loudon, New Hampshire, which has hosted NASCAR racing annually since 1990, as well as the longest-running motorcycle race in North America, the Loudon Classic. Nicknamed "The Magic Mile", the speedway is often converted into a 1.600 mi (2.575 km) road course, which includes much of the oval.
The track was originally the site of Bryar Motorsports Park before being purchased and redeveloped by Bob Bahre. The track is currently one of eight major NASCAR tracks owned and operated by Speedway Motorsports.