Sergey Lavrenov

Sergey Lavrenov (; born January 28, 1981, in Moscow) is a retired Russian swimmer, who specialized in middle-distance freestyle events. Lavrenov competed for the Russian squad in the men's 4 × 200 m freestyle relay at the 2000 Summer Olympics in Sydney. Teaming with Dmitry Chernyshov, Andrey Kapralov, and long-distance freestyle star Alexei Filipets, Lavrenov swam the second leg and recorded a split of 1:51.65. The Russians rounded out the finale in eighth place with a final time of 7:24.37, finishing more than 17 seconds off the global standard set by the winning Aussies.