Among his previous events , he ran the Spitsbergen Marathon on the island of Spitsbergen , the most northerly inhabited place on Earth .
Michael has run five marathons to date but this will be his most extreme .
Among Michael 's previous events , Michael ran the Spitsbergen Marathon on the island of Spitsbergen , the most northerly inhabited place on Earth .
Michael has run five marathons to date but this will be his most extreme .