 From 1952 to 1956, the Brynfan Tyddyn Road Races took place on a 3.5-mile (5.6 km) road course, lapped clockwise, using Schoolhouse Road, Church Road, Outlet Road (Outlet-Loyalville Road), and Bear Holow Road.It had a start-finish line on Schoolhouse Road.The course had a more than 344 foot (≈105 metres) change in elevation.