Denys Syzonenko
Denys Viktorovych Syzonenko is a Ukrainian former swimmer, who specialized in freestyle events. He is a single-time Olympian, and a two-time relay medalist at the Universiade. He also trains for Dynamo Kiev swimming team, under his longtime coach Viktor Turchin.
Syzonenko qualified only for the men's 4 × 100 m freestyle relay, as a member of the Ukrainian team, at the 2004 Summer Olympics in Athens. Teaming with Andriy Serdinov, Pavel Khnykin, and Yuriy Yegoshin in heat two, Syzonenko swam a lead-off leg and recorded a split of 50.05, but the Ukrainians missed the top 8 final by almost a full second, finishing in fifth place and tenth overall with a national record of 3:18.95.
At the 2005 Summer Universiade in Izmir, Turkey, Syzonenko helped out the Ukrainian team to upset their American rivals and claim the medley relay title in a final time of 3:38.49.
