Billown Circuit 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 near 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 on the outskirts of Castletown and the course includes parts of the primary A5 New Castletown Road, A28 Castletown to Ballabeg Road, A7 Ballasalla to Port
Ballabeg station photograph. The station is located on the A28 road about half a mile (0.8 km) south of the village of Ballabeg in the parish of Arbory. This road is part of the Billown Racing Circuit where the "Southern 100" races take place each July; the circuit is also used for the "Pre-T.T. Classic" races in May. The station ceased to be manned many years ago. Ballabeg has remained on the timetable for many years, but only as a request stop. The station is used for spectators to access these races and is also a popular drop-off point for the annual