Education
As a decathlete, Grummt finished eighth at the 1980 Summer Olympics in Moscow. He also finished fourth at the 1982 European Championships in Athletics in Athens and eighth at the 1983 World Championships in Athletics in Helsinki.
As a decathlete, Grummt finished eighth at the 1980 Summer Olympics in Moscow. He also finished fourth at the 1982 European Championships in Athletics in Athens and eighth at the 1983 World Championships in Athletics in Helsinki.
He later competed in bobsleigh in the mid-1980s. Following East Germany"s boycott of the 1984 Summer Olympics in Los Angeles, Grummt switched to bobsleigh where he found better success. Grummt is head of the sports school in Mainz, Germany.