Friedrich was a seven-time national champion, with five straight wins at the German Athletics Championships from 2000 to 2004 and two indoor titles.

Born in Potsdam,[1] her first success came at the 1996 World Junior Championships in Athletics where she was the narrow runner-up in the 800 metres behind compatriot Claudia Gesell.

[2] After this, she began to improve her times in the 1999 season, recording a best of 2:02.18 for the 800 m and placing second at the German Indoor Athletics Championships.

She was chosen for the German team at the 2001 World Championships in Athletics, but once more failed to finish the distance on the mainstage (this time in the semi-finals).

Highlights of her final year were an 800 m best of 2:01.45, a runner-up finish in that distance at the 2005 German Athletics Championships, and sixth place in the 2006 European Cup.