There were six finals on the second day of competition. DeAnna Price became the first American to win the women's hammer throw while Tajay Gayle became Jamaica's first men's long jump world champion, surprising the field by adding 37 centimetres to his personal best and improving to tenth on the all-time lists. Sifan Hassan broke the African dominance of the women's 10,000 metres that stretched back to 1997, by taking gold for the Netherlands. America's Christian Coleman won the men's 100 metres final in a time of 9.76 seconds. The qualifiers for the mixed 4 × 400 m relay resulted in the first world record of the championships, with the American quartet finishing in 3:12.42 minutes. Shelly-Ann Fraser-Pryce ran the fastest time ever recorded in the heats stage of the women's 100 metres with 10.80 seconds.