Christina Lathan, née Christina Brehmer, is a retired East German sprinter who specialised in the 400 metres. Christina Brehmer (East Germany) set the women's 400 m world record of 49.77 in Dresden, East Germany on May 9, 1976. It stood 44 days, until Irena Szewińska's 49.75 on June 22, 1976. Wiki link