About this race
The Calder Clarion 10 mile Time Trial is a flat course open to club and non-Calder club participants. Helmets and working front and back lights are compulsory. Two categories are offered: road and TT bike. Sign-on is at Royd Moor Lane, with the start just north of the railway bridge on Station Road. Headquarters are at Thornes Park. Entry is £5 at sign-on.