Career
Radzionau is also a varsity swimmer for the Louisville Cardinals, and a former geography major at the University of Louisville in Louisville, Kentucky. Radzionau qualified for the men"s 50 m freestyle at the 2008 Summer Olympics in Beijing, by establishing a new Belarusian record and clearing a FINA B-standard entry time of 22.72 from the national championships in his hometown Minsk. He challenged seven other swimmers on the ninth heat, including three-time Olympian Camilo Becerra of Colombia.
Radzionau edged out Filipino-American tanker and Florida-based resident Daniel Coakley to take the fifth spot by four hundredths of a second (004), posting his personal best of 22.65.
Radzionau failed to advance into the semifinals, as he placed twenty-sixth out of 97 swimmers in the preliminaries.