 Complete the following phrase:  Yaroshchuk began her career in the sprinting events and represented Ukraine in the 200 metres at the Gymnasiade in 2006. In 2007, she ran a personal best of 24.58 seconds for the event and in a team with Hanna Titimets, Nataliya Pohrebnyak and Yelizaveta Bryzhina she set a national junior record in the 4×100 metres relay to take the silver medal at the 