POLAND, Bydgoszcz, July 24 2016. Yana Kachur from Ukraine is seen on Sunday during the women's 4 x 400 meter relay. From Tuesday until Sunday the IAAF organised the under 20 World Athletics Championships in Poland. Initially the championship would be held in Russia however due to doping issues the Russian athletes and their federation have been banned by the IAAF. (Photo by Jaap Arriens/NurPhoto via Getty Images)
