Christine Mboma improved her junior world record in the 400m at the Namibia Championships. The Namibian won over the m distance in 49''22, a week after achieving 49''24 at the meeting in Lusaka (Zambia).
For Mboma (18 years old on May 22), this performance was already a junior world record, better than the 49''42 of the German Grit Breuer.
