The Ulster Grand Prix is a motorcycle road race held annually in Northern Ireland. It takes place on a 7.4-mile circuit around the town of Lisburn, featuring a mix of public roads and closed-off sections. The event is part of the International Road Racing Championship and attracts top riders from around the world. Established in 1922, the Ulster Grand Prix is known for its fast speeds and challenging course. It is often referred to as the "fastest road race in the world," with riders reaching speeds over 200 mph. The event showcases both professional and amateur racers, making it a highlight in the motorcycle racing calendar.