The World Athletic Championships in Doha, 29 September 2019. The 4x400 mixed relay final (2 men and 2 women per team) sees Poland, with a female runner, start the last leg with at least a five-second lead. Most teams chose this strategy: Male Female Female Male. So they chose a male for a good head start and a male as the last anchor to hold in their position. However, Poland decided to do: Male Male Female Female Their strategy was trying to get a large enough lead in order for the last female anchor to be able to hold out...