Wegner won the silver medal at the 1934 European Championships in the 110 metres hurdles and competed in the Olympic Games as both a hurdler and a decathlete.

[1][2] At the 1934 European Championships in Turin Wegner won the silver medal in the hurdles in 14.9, losing only to Hungary's József Kovács.

[1][3][4] Wegner defeated Kovács at the International University Games in Budapest the following year, winning the gold in 14.7.

[1] He was also good in the 400 m hurdles,[2] winning silver behind Kovács in that event at the 1935 International University Games.

[5] An SS officer, Wegner was killed in action in the last months of World War II in France.