 Complete the following phrase:  She won most of her medals at the junior level. At the 1988 World Junior Championships she finished fifth in the individual distance and a gold medal in 4x400 metres relay. At the 1989 European Junior Championships she won four medals; a gold medal in 4 × 400 m relay, a silver medal in the 200 metres and bronze medals in the 100 metres and 4x100 metres relay. At the 