Men's: Michael Johnson 43.18
Women's: Marita Koch 47.60
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The current world record for the men's 400 meter dash is held by Wayde van Niekerk from South Africa with a time of 43.03 seconds, set in 2016 at the Rio Olympics. The women's world record is held by Marita Koch from East Germany with a time of 47.60 seconds, set in 1985.