Llŷr Williams sy'n rhannu ei stori ar ôl iddo golli 7 stôn mewn 8 mis a rhedeg hanner marathon Caerdydd. Llŷr Williams shares his story of losing 7 stone in 8 months. Show more
Discover 11,128,835 listings and 277,859 playable programmes from the BBC
Llŷr Williams sy'n rhannu ei stori ar ôl iddo golli 7 stôn mewn 8 mis a rhedeg hanner marathon Caerdydd. Llŷr Williams shares his story of losing 7 stone in 8 months. Show more