Sixteen members of the Island's business community are taking part in this year's three peaks challenge.
Competitors attempt to summit the three highest peaks in England, Scotland and Wales within a 24 hour period.
Two of those taking part in the 2006 event will be retiring chief executive of Isle of Man Post, Bill Collister (pictured) and Chief Executive of the Isle of Man Children's Centre, John Knight
Mr Collister says it's a gruelling event:
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