She finished sixth in the 400 m final at the 2006 IAAF World Indoor Championships in Moscow, and fourth at the 2006 European Athletics Championships in Gothenburg, the latter in a personal best time of 50.64 seconds.
The passage describes a runner's performance in two major track and field competitions: the 2006 IAAF World Indoor Championships and the 2006 European Athletics Championships. She achieved sixth place in the 400 m final at the former and fourth place with a personal best time of 50.64 seconds at the latter.