Clare Balding joins Maxwell Ayamba and the Black Men's Walking group he set up.
Walking can give you time to think or an opportunity to explore.
Clare Balding meets novelist David Nicholls to walk to The Devil's Punchbowl in Surrey.
Helen Mark discovers why adults aged 50 to 105 are feeling wild at heart in Sheffield.
Clare Balding joins writer Geoff Nicholson to talk about the history of walking.