A Cavan family are gearing up to prove themselves as Ireland's fittest family.
The Greenan's have been announced as one of the groups preparing to take on the hit TV show.
Described as "Michael Flatly meets Michael Carruth", Mark, Niamh, Sinead and James will ready to show they've got what it takes.
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Back for another season, the Greenan family will debut on TV tonight as they take on other families from across Ireland.
