An ordinary man decided to do something truly extraordinary and in doing so he changed his life Adam Walker was an average man going through the motions until one day he decided to make a change, challenging himself both physically and mentally in his attempt to swim across seven of the world's deadliest oceans. The Oceans 7 Challenge is one of the most physically demanding challenges there is, Adam suffered multiple illnesses and injuries, encountered deadly marine wildlife and endured freezing temperatures which he overcame to achieve his goal.