 Complete the following phrase:  As a junior, she finished sixth at the 2000 World Junior Championships. Her personal best at the time was 52.87 seconds, achieved in August 2000 in Kiev. She improved it to 52.76 seconds in July 2003 in Kiev. At the 2003 World Championships she competed in the 4 x 400 metres relay without reaching the final. She finished fifth in the 200 metres event at the 2004 World Indoor Championships. At the 