Hoferek started his athletics career under the coach Gibala in Trencin; in 1959 he continued in Ostrava-Poruba under the coach Frantisek Klusal and in 1964 he moved to Vitkovice athletics club in Ostrava where he trained under the coach Rudolf Chovanec. During his military service in 1966 - 1967 he trained in Banska Bystrica and thereafter he returned to Vitkovice club in Ostrava and run for the club until 1974. In 1972 he started to train with the coach Oto Svrsek and under Svrsek's leadership achieved his best results.
