Spyros Gianniotis & Co Head For The Authentic Swimming Marathon 2,500 Years After Skyllias & Hydna
Greek open-water ace Spyros Gianniotis will lead the shoal out for The Authentic Marathon Swim at Artemision this September, 2,500 years after Skyllias and Hydna, recorded by Herodotus as the first long-distance swimmers









