 Complete the following phrase:  Nkiruka Florence Nwakwe started her career as a junior sprint runner and hurdler in Nigeria where she competes in various local competitions. She won her major competitive gold medal at the 2010 Summer Youth Olympics in Athletics at 200 the metres events and also sparticipated at The womens 4 × 100 metres relay at the 2012 World Junior Championships in Athletics in Athletics which was held at the Estadi Olímpic Lluís Companys on 13 and 14 July, she also participated in the African 4 × 400 m relay team that won silver medals at the 