 Under Sveg's guidance, Iraklis won the Championship organised by the "Macedonia Football Clubs Association" in 1926–27.By winning 6–0 against the reigning champion of West Macedonia "Ermis Shorovich" and the champion of East Macedonia and Thrace "Rodopi", Iraklis was proclaimed Champion of Macedonia and Thrace.In the following years, Iraklis did not have any success finishing in runner up and even lower positions in the Macedonia Football Clubs Association Championship.