Gallery 'Mr Hill's Challenges' All arctic ice ultra amazon jungle ultra north pole marathon mount everest marathon uganda marathon jungles of borneo mount elberus arctic expedition sahara desert mount kilimanjaro mount toubkal petra desert marathon Arctic Ice UltraClick for more photos Amazon Jungle UltraClick for more photos North Pole MarathonClick for more photos Mount Everest MarathonClick for more photos Uganda MarathonClick for more photos Jungles of BorneoClick for more photos Mount ElberusClick for more photos Arctic ExpeditionClick for more photos Sahara DesertClick for more photos Mount KilimanjaroClick for more photos Mount ToubkalClick for more photos Petra Desert MarathonClick for more photos Load More