People Germany Johannes Trefz peoplepill id: johannes-trefzJT 9 views today 9 views this weekDeutscher SprinterJohannes TrefzBiographyListsAlso ViewedListsJohannes Trefz is in following listsBy field of workNotable German athletesGender:Male, Born in:Years 1970 to 1999By work and/or countryNotable German AthletesGender:Male, Born in:Years 1970 to 1999From our partnersSponsoredJohannes Trefz