Sut brofiad ydi hyfforddi cyn Pencampwriaeth Ironman y Byd? Ofnadwy, yn ôl Gareth Hodgson. Aled asks Gareth Hodgson to reveal all about training for the Ironman World Championship. Show more
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Sut brofiad ydi hyfforddi cyn Pencampwriaeth Ironman y Byd? Ofnadwy, yn ôl Gareth Hodgson. Aled asks Gareth Hodgson to reveal all about training for the Ironman World Championship. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
