TOKYO — On the track Friday night, Shaunae Miller-Uibo of the Bahamas powered away from the field in the 400 meters, while Allyson Felix, in third place, won a record 10th Olympic medal.
In the men’s 4x100 relay, Italy ran down Britain in the last stride to win. In the women’s race, the Jamaican team, with all three medalists from the 100 meters, outran the U.S. for the gold.
In the women’s 1,500, Faith Kipyegon of Kenya foiled Sifan Hassan’s bid for a 1,500-5,000-10,000 triple; Hassan finished third. Joshua Cheptegei of Uganda won a physical men’s 5,000 with the American Paul Chelimo in third.