Clare Balding joins Gill Callow, a teacher from York who takes her on a favourite six mile route around the city. Walking has always been an important part of Gill's life; a joy to share with friends, a way to appreciate the wonders of the British countryside, a stress - buster from intense days in the classroom and now vital to help her come to terms with the loss of her partner, Martin. Gill talks to Clare about how she introduced him to the joys of walking , the long distance routes they tackled and the plans they had for the future. She finds walking a good way to remember him and the many happy times they shared. Producer Lucy Lunt.