She finished fourth at the 2003 World Championships.
Following a personal best time of 49.65 seconds run a fortnight earlier, Natalya had lost form by the start of the Summer Olympics in Athens, Greece, and only just made the final finishing 8th. She did get a silver in the relay. On January 8, Natalya Nazarova broke the sixteen-year-old indoor world record for the rarely run 500 m in a time of 1:07.36. that had been set by Olga Nazarova (no relation).
1998 in world record 3:23.88 in national record 49.68 son
1998 World Junior Championships - Annecy, France. 400 m gold medal 4 × 400 m relay silver medal 1999 World Championships - Seville, Spain. 4 × 400 m relay gold medal World Indoor Championships - Maebashi, Japan. 4 × 400 m relay gold medal 2000 European Indoor Championships - Ghent, Belgium. 400 m silver medal 2002 Russian Championships - Cheboksary. 400 m silver medal 2003 World Championships - Paris, France. 4 × 400 m relay silver medal World Indoor Championships - Birmingham, England. 400 m gold medal 4 × 400 m relay gold medal Russian Championships - Tula. 400 m gold medal Russian Indoor Championships 400 m gold medal 2004 World Indoor Championships - Budapest, Hungary. 400 m gold medal 4 × 400 m relay gold medal in world record 3:23.88 Russian Championships - Tula. 400 m gold medal Russian Indoor Championships 400 m gold medal in national record 49.68 son 2006 World Indoor Championships - Moscow, Russia. 4 × 400 m relay gold medal.