Billown Circuit

The Billown Circuit is a motorcycle road-race course used for the Southern 100, the Pre-TT Classic races and the National Road Races meetings in Castletown on the Isle of Man. Racing is held on public roads closed for racing by an Act of Tynwald, the parliament of the Isle of Man. The course is 4.25 miles (6.8 km) long and is in the parishes of Arbory and Malew. The course start-line is in Castletown and the course includes parts of the primary A5 New Castletown Road, A28 Castletown to Ballabeg Road, A7 Ballasalla to Port Erin Road and the A3 Castletown to Ramsey Road.

Billown Circuit

The Billown Circuit is a motorcycle road-race course used for the Southern 100, the Pre-TT Classic races and the National Road Races meetings in Castletown on the Isle of Man. Racing is held on public roads closed for racing by an Act of Tynwald, the parliament of the Isle of Man. The course is 4.25 miles (6.8 km) long and is in the parishes of Arbory and Malew. The course start-line is in Castletown and the course includes parts of the primary A5 New Castletown Road, A28 Castletown to Ballabeg Road, A7 Ballasalla to Port Erin Road and the A3 Castletown to Ramsey Road.