Mark Stone is an American open water swimmer from California and a Santa Cruz County Supervisor. He completed the English Channel in 13 hours 7 minutes. Coached by Joel Wilson, he joined the Half Century Club with his crossing as a 52-year-old.
Mark Stone is an Australian open water swimmer who was on the Aussie Crawl relay team that crossed the English Channel on 24 June 2015 in 12 hours 22 minutes together with Don Wilson, Mike Nicol, Alan Collett, and Esther McConnell, coached by Chloë McCardel.
Aussie Crawl English Channel Relay