Unstoppable: Sarah Hammond, 36, endurance cyclist

Cindy MacDonald
Endurance cyclist Sarah Hammond on the hallucinations that take hold on the road.

Up to speed: Amanda Reid, 19, cyclist

Richard Cooke
Paralympian Amanda Reid on loving the thrill and speed of track cycling.

Back in the saddle: Kimberley Wells, 29, cyclist

Richard Cooke
Champion cyclist Kimberley Wells on practising medicine, beating pneumonia and Lance Armstrong's fall from grace.

Tearing up the track: Caroline Buchanan, 23, cyclist

Richard Cooke
From BMX bandit to dual world champion… Caroline Buchanan loves life on two wheels.