Clare Balding joins Jo Fielder, who has multiple sclerosis, on a training walk before her attempt to take on all 87 miles of the Ridgeway in seven days. Show more
First broadcast: on BBC News ChannelLatest broadcast: on BBC News Channel HD
Rob Bonnet talks to David Hemery, former British Olympic gold medallist and president of UK Athletics, about the IOC's falure to ban Russia from competing in the Rio Olympics. Show more