[2] He threw beyond eighty metres for the first time in the 1986 season, achieving a best of 81.02 m (265 ft 9+3⁄4 in) in Erfurt, ranking in the world's top twenty that year.
He won his first national title at the East German Athletics Championships with a meet record throw of 84.06 m (275 ft 9+1⁄4 in).
[6][7] He ended the year second on the European rankings to Backley, courtesy of a lifetime best performance of 84.84 m (278 ft 4 in) in Macerata,[8] which made him the fourth best athlete in the world in 1989.
[3] After missing much of the 1990 and 1991 seasons due to injury,[9] he returned to claim the second and final national title of his career at the German Athletics Championships, throwing 82.26 m (269 ft 10+1⁄2 in) (his best that year).
Later investigation of leaked Stasi files showed Hadwich had failed doping tests for abnormal levels of testosterone, which were subsequently covered up by the national sports body.