Martina Schmidt was on the 1980 East German women’s volleyball team at the Moskva Olympics. The team won the silver medal, losing twice against the Soviet Union, in the preliminary round and the final, both times by 3-1 in set scores. In 1983, she was on the team that won the gold medal at the European Championships.
Nationally, she played with SC Traktor Schwerin helping them win East German titles in 1976-77 and 1980-84 and East German Cups in 1981-82, adding the European Champions Cup in 1978. After re-unification, she played with VG Alstertal-Harkheide and 1. VC Norderstedt. From 1992 she played beach volleyball with non-Olympian Andrea Paetow and won German Championships in 1992-93.