A 2.4 mile swim, a 112 mile bike ride and then a marathon. Euan Mahy chats to the Guernsey people attempting to do seven of these triathlons over a week.
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A 2.4 mile swim, a 112 mile bike ride and then a marathon. Euan Mahy chats to the Guernsey people attempting to do seven of these triathlons over a week.
BBC Radio Guernsey
