Klepczarek retired at the end of 2018 to accept a job offer as assistant manager for
Poland U20. In August 2019, he was hired as a video analyst for the first team and individual coach for the youth teams of
Stomil Olsztyn. In December 2022, he was appointed manager of
III liga, group II club
Świt Szczecin. In his second
season in charge, Świt dominated their group and won their first-ever promotion to the
third tier in May 2024, with four league games to go. On 27 August 2024, after leaving Świt by mutual consent, Klepczarek replaced Piotr Jacek at the helm of
I liga club
Warta Poznań, signing a deal until the end of the season, with an option for additional two years. On 10 March 2025, he was dismissed. On 1 April 2026, Klepczak took charge of the Poland national under-15 team, replacing
Dariusz Gęsior. ==Managerial statistics==