Career
Lenko plays mostly as a left-sided defender, and is currently signed to South Carolina Wiener Neustadt. Lenko started his career at Austrian team Rapid Wien, where he played from 2003 to 2005. He then joined Kapfenberger SV, where he spent almost one years, before moving to Football Club Zbrojovka Brno in his country.
He joined Austrian club Football Club Superfund early in June 2007.
From June 2008 played in Bulgarian club Lokomotiv Mezdra.