Japan's track team members celebrate the country's 4x100-meter relay team from the stands after they captured a silver medal in the men's competition at the Rio de Janeiro Olympics on Friday. | KYODO
Japan's track team members celebrate the country's 4x100-meter relay team from the stands after they captured a silver medal in the men's competition at the Rio de Janeiro Olympics on Friday. | KYODO


Jamaica's Usain Bolt holds a model of himself as he celebrates winning the gold medal in the men's 4x100-meter relay final at the Rio Games on Friday. He turns 30 years old on Saturday. | AP
Jamaica's Usain Bolt holds a model of himself as he celebrates winning the gold medal in the men's 4x100-meter relay final at the Rio Games on Friday. He turns 30 years old on Saturday. | AP


United States' English Gardner hands the baton to anchor Tori Bowie during the women's 4x100-meter relay final at the Rio de Janairo Olympics on Friday. The team won the gold medal for the second straight Summer Games.   | REUTERS
United States' English Gardner hands the baton to anchor Tori Bowie during the women's 4x100-meter relay final at the Rio de Janairo Olympics on Friday. The team won the gold medal for the second straight Summer Games. | REUTERS


Japanese female triathlon athletes Yurie Kato (left), Ai Ueda and Yuka Sato pose for a photo after their practice on Friday in Rio de Janeiro. They will compete on Saturday. | KYODO
Japanese female triathlon athletes Yurie Kato (left), Ai Ueda and Yuka Sato pose for a photo after their practice on Friday in Rio de Janeiro. They will compete on Saturday. | KYODO


Japanese synchro swimmers perform during Friday's team competition at the Rio Games. They captured the bronze medal. | KYODO VIA REUTERS
Japanese synchro swimmers perform during Friday's team competition at the Rio Games. They captured the bronze medal. | KYODO VIA REUTERS


A Danish fan paints a flag on the face of another one prior to the men's semifinal handball match between Poland and Denmark in the Rio Olympics at the Future Arena on Friday.  | AFP-JIJI
A Danish fan paints a flag on the face of another one prior to the men's semifinal handball match between Poland and Denmark in the Rio Olympics at the Future Arena on Friday. | AFP-JIJI