He won two medals in the 4 × 10 km relay at the Winter Olympics with a silver in 2006 and a bronze in 2002.

Filbrich's best individual Olympic finish was 17th in the 50 km freestyle event in 2006.

Filbrich has two skiing victories in the World and Continental Cups as of the 2005–6 season (2003, 2005).

He is the son of former cross-country skier Sigrun Krause, and former cross-country skier, coach and sports official Wolfgang Filbrich.

[1] All results are sourced from the International Ski Federation (FIS).