Friedrich akakunda mukombe wake wokutanga weGermany indoor muna 2002 ndokuzoisa rekodhi yeGermany ye5:42.55 yechiitiko che2000 m indoor chisingawanzoitwi. Akanga ari wechisere pa2002 European Cup
uye akachengeta zita rake renyika rokunze. Pakutanga kwake mukwikwidzi wekondinendi pa2002 European Athletics Championships akaisa wechina mukudziya kwake, asi fomati yemaviri-maviri yaireva kuti haana kusvika kumagumo. Akapedzisa mwaka wake wekutanga nemenduru yake yekutanga yepasi rose pa2002 IAAF World Cup, achitora menduru yebronze kuchikwata cheGerman.