Add Yahoo as a preferred source to see more of our stories on Google. Ross Edgley has completed his latest endurance challenge: Over four months, the ultramarathon swimmer has circumnavigated Iceland.

Ross Edgley was 950 miles into his 1,000-mile swim around the coast of Iceland when his body began to fall apart. Trapped off the south-west coast, near Grindavik, pinned between an erupting volcano, ...