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Usain Bolt of Jamaica takes a gander at Andre De Grasse of Canada as they contend in the men's 100m elimination round. REUTERS/Kai Pfaffenbach
Britain's Kate Archibald, Laura Trott, Elinor Barker and Joanna Rowsell contend in the ladies' group interest cycling. REUTERS/Paul Hanna
USA's Katie Ledecky swims with a major lead on her approach to winning the gold and setting another world record in the 800m free-form. REUTERS/Stefan Wermuth
(From L) Jhoanis Portilla of Cuba, Orlando Ortega of Spain and Deuce Carter of Jamaica contend in the men's 110m obstacles preparatory in the downpour. REUTERS/Lucy Nicholson
Photographers work from the tribune amid the swimming rivalry. REUTERS/Athit Perawongmetha
Mohamed Flissi of Algeria contends amid men's fly 52kg boxing. REUTERS/Yves Herman
Shaunae Miller of Bahamas tosses herself over the completion line to win the gold in front of Allyson Felix of the U.S. in the ladies' 400m last. REUTERS/Fabrizio Bensch
Sailors contend under the Christ the Redeemer statue REUTERS/Brian Snyder
First put Eliud Kipchoge of Kenya celebrates with supporters after the marathon. REUTERS/Athit Perawongmetha
Roman Vlasov of Russia praises winning the gold decoration after the triumph over Mark Overgard Madsen of Denmark in the 75kg greco-roman wrestling. REUTERS/Toru Hanai
Simone Biles of the U.S. amid the ladies' group imaginative vaulting last. REUTERS/Damir Sagolj
Qiu Bo of China contends in the 10m stage. REUTERS/Michael Dalder
Emma Coburn of the U.S. celebrates with supporters subsequent to winning bronze in the ladies' 3000m steeplechase. REUTERS/Dylan Martinez
Gold medalist Jemima Sumgong of Kenya and silver medalist Eunice Jepkirui Kirwa of Bahrain celebrate after the ladies' marathon REUTERS/Dylan Martinez
Doaa Elghobashy of Egypt and Kira Walkenhorst of Germany contend int he preparatory shoreline volleyball occasion. REUTERS/Lucy Nicholson
Ruta Meilutyte of Lithuania contends in the 100m breaststroke. REUTERS/Michael Dalder
Karem Achach and Nuria Diosdado of Mexico contend in the synchronized swimming two part harmonies preparatory. REUTERS/Michael Dalder
Michael Phelps of the U.S. responds in the wake of winning gold in the 4 x 100m variety transfer conveying his vocation aggregate to 23 golds. REUTERS/Dominic Ebenbichler
Samir Ait Said of France breaks his leg amid rivalry on the vault. REUTERS/Athit Perawongmetha
Kenya Yasuda of Japan is harmed in men's water polo. REUTERS/Laszlo Balogh
Serena Williams responds amid her match against Elina Svitolina of Ukraine. The Olympic champion and world number one tumbled out of the Rio singles rivalry in the third round on Tuesday after a stun annihilation to Svitolina. REUTERS/Toby Melville
Brianna Rollins of the U.S. commends winning the gold decoration with silver medalist comrade Nia Ali and bronze medallist Kristi Castlin in the 110m obstacles. REUTERS/Kai Pfaffenbach
Sara Dosho of Japan celebrates with her mentor in the wake of winning the gold award in the wrestling last. REUTERS/Toru Hanai
Nikki Hamblin of New Zealand quits running amid the race to help kindred contender Abbey D'Agostino of USA after D'Agostino endured an issue in the ladies' 5000m preparatory. REUTERS/Kai Pfaffenbach
Germany's Erik Heil and Thomas Ploessel praise bronze award in the men's boat 49er. REUTERS/Brian Snyder
Spiros Gianniotis of Greece kisses the camera in the wake of completing the 10km marathon swim. REUTERS/Carlos Barria
Mutaz Essa Barshim of Qatar responds subsequent to winning silver in the high hop last. REUTERS/Kai Pfaffenbach
Journalists encompass an auto conveying U.S. Olympic swimmers Jack Conger and Gunnar Bentz as they leave a police headquarters subsequent to being addressed in Rio de Janeiro, August 18, 2016. REUTERS/Bruno Kelly
Blanka Vlasic of Croatia contends in the high hop. REUTERS/Dominic Ebenbichler
Miles Gerek Meinhardt the U.S. goes up against Artur Akhmatkhuzin of Russia in the men's foil group elimination rounds. REUTERS/Issei Kato
Mo Farah of Britain commends winning the 5,000m. REUTERS/Dylan Martinez
Yuriy Cheban of Ukraine celebrates in the water in the wake of winning the gold award in the men's 200m kayak. REUTERS/Marcos Brindicci
Usain Bolt of Jamaica and Andre De Grasse of Canada contend in the 200m elimination rounds. REUTERS/Lucy Nicholson
The court is cleaned by work force as matches were postponed because of downpour at the Olympic Tennis Center. REUTERS/Toby Melville
Neymar of Brazil celebrates with goalkeeper Weverton after they won the punishment shootout and the gold award against Germany. REUTERS/Leonhard Foeger
Simone Manuel of the U.S. (L) and Canada's Penny Oleksiak (R) touch the divider to tie for the gold decoration in the 100m free-form. Picture pivoted 180 degrees. REUTERS/Athit Perawongmetha F
The mentor of Mandakhnaran Ganzorig of Mongolia removes his garments as he challenges after the men's wrestling match against Ikhtiyor Navruzov of Uzbekistan. REUTERS/Toru Hanai
Simone Biles of the U.S. contends on her approach to gold in the vault amid the ladies' individual all-around last. REUTERS/Dylan Martinez
Rafaela Silva of Brazil praises winning Brazil's first gold in the 57kg judo last. REUTERS/Kai Pfaffenbach
The Maracana Olympic Stadium amid the opening function is seen from the Mangueira favela ghetto. REUTERS/Ricardo Moraes
Giorgio Avola of Italy commends winning his foil match. REUTERS/Issei Kato
Yu Mengyu of Singapore eyes the ball amid table tennis play against Kim Song I of North Korea. REUTERS/Alkis Konstantinidis
The Refugee Olympic Athletes' group lands for the opening function. REUTERS/Kai Pfaffenbach
Emilie Andeol of France responds in the ladies' 78kg judo award service. REUTERS/Murad Sezer
Cyrille Maret of France gets congrats subsequent to winning the bronze award. REUTERS/Toru Hanai
Jennifer Oeser of Germany looks as competitors contend in 10,000m last. REUTERS/David Gray
Mike Rodgers, Justin Gatlin and Tyson Gay respond in the wake of being excluded alongside Trinidad and Tobago. Television pictures demonstrated U.S. runner Trayvon Bromell venturing into Usain Bolt's path in the raced to the line. REUTERS/Lucy Nicholson
Mariana Pajon of Colombia leads the BMX last. REUTERS/Paul Hanna
Kevin Durant of the U,S, responds after dunk as Marko Simonovic of Serbia responds. REUTERS/Jim Young