First broadcast: on BBC One Wales HDLatest broadcast: on BBC One Wales
The second part of a two-part series in which Gareth 'Alfie' Thomas trains 100 teenagers to run the Cardiff Half Marathon. How many of the group will start and finish the race? Show more
First broadcast: on BBC One WalesLatest broadcast: on BBC One Wales HD
Two-part series in which Welsh sporting superstar Gareth 'Alfie' Thomas trains 100 17- to 21-year-olds to run the Cardiff Half Marathon following 16 weeks of training. Show more