What makes endurance athletes tick? We talk to runners, cyclists, swimmers, triathletes, walkers to see what keeps them coming back.
Hayley's mum died in the summer of 2018 from an asthma attack but rather than sit and let the understandable feelings of loss and despair take over, Hayley decided to confront them and honour her mum through undertaking a personal challenge. #Ride4Ros charts that journey and her preparation for Paris-Roubaix.