Monadnock Speedway
| Location | 840 Keene Rd Winchester, New Hampshire 03470 |
|---|---|
| Time zone | UTC−5 (UTC−4 DST) |
| Coordinates | 42°49′52″N 72°21′44″W / 42.83111°N 72.36222°W |
| Owner | Norman Wrenn Jr. (2018–present) |
| Operator | Michelle Cloutier |
| Opened | 1971 |
| Major events | Current: NASCAR Whelen Modified Tour (1986–1990, 2010–2016, 2020, 2022–present) Former: NASCAR K&N Pro Series East (1988–1995) NASCAR North Tour (1979, 1982) |
| Website | www |
| Oval (1971–present) | |
| Surface | Asphalt |
| Length | 0.270 miles (0.435 km) |
| Turns | 4 |
| Banking | Turns: 15° |
Monadnock Speedway is a paved 1⁄4 mi (0.40 km) oval race track in Winchester, New Hampshire. Located south of Keene, the track is nestled between New Hampshire Route 10 and the Ashuelot River. Monadnock's nickname is "Mad Dog" and has been used over the years in various promotions.
The track hosts various races for regional touring series, including the Valenti Modified Racing Series, the Granite State Pro Stock Tour, the Northeastern Midget Association (NEMA) and NEMA Lites, and ISMA Supermodifieds.