Main content
![](https://ichef.bbci.co.uk/images/ic/640x360/p075h9wb.jpg)
Pennod 2
Cychwyn taith ein pump arweinydd: Mared, David, Annaly, Emlyn a Matthew. Sut aeth yr wythnos gyntaf a faint o bwysau gollwyd? We catch up at the start of our five leaders' fitness journeys.
Darllediad diwethaf
Gwen 12 Ebr 2019
15:05