On July 28, 2010, Erdoğan finished fifth in the 10000 m final at the European Championships in Barcelona, Spain, clocking a new personal best of 31:44.86. Four days later, on August 1, 2010, she finished seventh in the 5000 m final, in another personal best time of 15:14.92. She became the women's under-23 champion at the 2010 European Cross Country Championships, winning by a margin of nine seconds.