New Hampshire Motor Speedway is a 1.058 mi oval track in Loudon, New Hampshire. It has hosted various major races throughout its existence, including NASCAR, IndyCar, modified races, and the Loudon Classic. The venue has a capacity of 44,000 as of 2024. New Hampshire Motor Speedway is currently owned by Speedway Motorsports, LLC and is …New Hampshire Motor Speedway is a 1.058 mi oval track in Loudon, New Hampshire. It has hosted various major races throughout its existence, including NASCAR, IndyCar, modified races, and the Loudon Classic. The venue has a capacity of 44,000 as of 2024. New Hampshire Motor Speedway is currently owned by Speedway Motorsports, LLC and is led by track general manager David McGrath.