Krasovsky took up skiing in Shostka, where his parents worked in a youth sport school after moving there when he was very young.

Krasovsky started his career at major competitions in February 2012 when he competed at the 2012 Winter Youth Olympics in Innsbruck.

At World Cup, Krasovsky debuted on 29 November 2014 in Ruka, Finland, where he was 80th in sprint competition.

As of January 2022, his best World Cup achievement was 58th rank in sprint freestyle in Dresden on 19 December 2020.

He improved his performance a little compared to the previous Games, achieving 50th rank in the 50 km classical style mass start.