Ceren Demirçelen began her sports career in the 2010–11 season, joining the handball team of Kastamonu University, which played in the Turkish Women's Handball First League.[2] In the 2012–13 and 2013–14 seasons, she played in the Women's Sıper League for Araç Belediyespor,[3] which was renamed to Kastamonu Bld. GSK in July 2014.[4] She continued to remain on the squad of Kastamonu Bld. GSK in the coming seasons.[5]