Russian long-distance swimmer Vladimir Dyatchin has announced his retirement after being handed a two-year doping ban.
Anti-doping agency RUSADA confirmed on Thursday that the 32-year-old had taken a banned substance, which showed up during an A sample taken from him on June 30 last year.
"I will not compete again of course. I will concentrate on organizing events," Dyatchin told the R-Sport news agency.
Dyatchin won gold in the 10km open water at the 2003 and 2007 World Aquatics Championships.
