The United States motorcycle Grand Prix was a motorcycling event that was part of the Grand Prix motorcycle racing season. The first event was held at the Daytona International Speedway in 1963. It was added to the Grand Prix calendar in 1964 and 1965. The race returned to the calendar 23 years later, in 1988 at Laguna Seca Raceway. The USGP was held here from 2005 until 2013.