Gwyndaf Lewis yn sôn am ei brofiad o gwbwlhau her Ironman Dinbych y Pysgod. Gwyndaf Lewis talks about completing the Ironman Challenge in Tenby. Show more
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Gwyndaf Lewis yn sôn am ei brofiad o gwbwlhau her Ironman Dinbych y Pysgod. Gwyndaf Lewis talks about completing the Ironman Challenge in Tenby. Show more
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
