The event, one of the most unusual in the triathlon calendar, has been running since 2005 around the Waen Rhydd Bog, which is well-known for hosting the annual World Bog Snorkelling Championships.NationalIn Pictures: Bog triathlon sees good clean contestBy Staff reporterPublished 27th Aug 2022, 16:45 GMTUpdated 27th Aug 2022, 16:55 GMT 9. Previous3 / 3Next Page Related topics:Gallery