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Denis Demenkov

From Openwaterpedia

Denis Demenkov is a 26-year-old open water swimmer from St. Petersburg, Russia who completed the 2016 25 km Kotlin Race in St. Petersburg, Russia. He swam from St. Petersburg in the Gulf of Finland and finished in the port city of Kronstadt on Kotlin Island on 5 September 2016 in 12 hours 37 minutes 43 seconds in a relay with Irina Lisichkina and Yuri Kuporov.

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