A harrowing road to Rio: Refugees who fled violence at home compete under the Olympic flag

Fireworks explode near the conclusion of the closing ceremony of the Rio 2016 Olympic Games on Sunday, Aug, 21, 2016, in Rio de Janeiro.

Japanese Prime Minister Shinzo Abe, dressed as Super Mario, holds a red ball during the closing ceremony of the Rio 2016 Olympic Games on Sunday, Aug, 21, 2016, in Rio de Janeiro.

People wave flags from Brazil, the United States, and Colombia during the closing ceremony of the Rio 2016 Olympic Games on Sunday, Aug, 21, 2016, in Rio de Janeiro.

Athletes parade during the closing ceremony of the Rio 2016 Olympic Games on Sunday, Aug, 21, 2016, in Rio de Janeiro.

An overview during the closing ceremony of the Rio 2016 Olympic Games on Sunday, Aug, 21, 2016, in Rio de Janeiro.

Kevin Durant celebrates with USA’s flag after defeating Serbia to win the men’s basketball gold medal Sunday, Aug, 21, 2016, in Rio de Janeiro.

Kyle Frederick Snyder celebrates after winning gold over Khetag Goziumov of Azerbaijan in the men’s freestyle 97kg wrestling event on Sunday, Aug, 21, 2016, in Rio de Janeiro.

USA’s Kyle Frederick Snyder (red) wrestles with Cuba’s Javier Cortina Lacerra in their men’s 97kg freestyle round of 16 match Sunday, Aug, 21, 2016, in Rio de Janeiro.

Denmark’s centre back Mads Mensah Larsen vies with France’s pivot Ludovic Fabregas and right wing Luc Abalo during the men’s gold medal handball match Sunday, Aug, 21, 2016, in Rio de Janeiro.

Brazil celebrates its gold medal in men’s volleyball Sunday, Aug, 21, 2016, in Rio de Janeiro.

Kenya’s Eliud Kipchoge crosses the finish line to win the men’s marathon Sunday, Aug, 21, 2016, in Rio de Janeiro.

Athletes run during the men’s marathon on Sunday, Aug, 21, 2016, in Rio de Janeiro.

Spain players celebrate their bronze medal after defeating Australia at Carioca Arena 1 on Aug. 21, 2016.

Switzerland’s Nino Schurter competes in the cycling mountain bike men’s cross-country race on Aug. 21, 2016.

Mohammadjafar Moradi of Iran is assisted by fellow competitors during the men’s marathon on Aug. 21, 2016.

Team Italy performs during the group all-around final at the rhythmic gymnastics event on Aug. 21, 2016.

Mongolia’s Mandakhnaran Ganzorig, left, wrestles with Canada’s Haislan Antonio Veranes Garcia in their men’s 65kg freestyle repechage match on Aug. 21, 2016.

Ricky Rubio, left, of Spain and Pau Gasol celebrate after defeating Australia for the men’s basketball bronze medal on Aug. 21, 2016.

Reneta Kamberova, Lyubomira Kazanova, Mihaela Maevska, Tsvetelina Naydenova and Hristiana Todorova of Bulgaria compete during the group all-around final on Aug. 21, 2016.

Kenya’s Eliud Kipchoge celebrates after winning the men’s marathon on Aug. 21, 2016.

Spain’s Pau Gasol, left, embraces Australia’s Patty Mills after Spain defeated Australia during the men’s bronze medal basketball game on Aug. 21, 2016.

Members of the United States team celebrate after defeating Russia in the men’s bronze medal volleyball match on Aug. 21, 2016.

Britain’s Mo Farah wins the gold medal in the men’s 5,000-meter final Saturday, Aug. 20, 2016, in Rio de Janeiro.

Athletes race in the men’s 5,000-meter final Saturday, Aug. 20, 2016, in Rio de Janeiro.

Marco Aurelio Fontana of Italy, front, leads the start of the men’s cross-country cycling mountain bike race on Aug. 20, 2016.

Brazil forward Neymar celebrates scoring the gold medal-winning goal in the penalty shootout against Germany on Saturday, Aug. 20, 2016, in Rio de Janeiro.

The gold medal-winning U.S. women’s basketball team celebrates Saturday, Aug. 20, 2016, in Rio de Janeiro.

Samba dancers wait to perform ahead of the track and field competitions at the Olympic Stadium on Saturday, Aug. 20, 2016, in Rio de Janeiro.

China’s Aisen Chen competes in the men’s 10-meter platform dive finals Saturday, Aug. 20, 2016, in Rio de Janeiro.

Gwen Jorgensen reacts as she crosses the finish line to win the gold medal in the women’s triathlon at Fort Copacabana on Saturday, Aug. 20, 2016, in Rio de Janeiro.

USA’s Diana Taurasi, left, and Tina Charles celebrate a point during the gold medal game against Spain at the Carioca Arena 1 ion Aug. 20, 2016.

Hungary’s Istvan Vereb (red) wrestles with Venezuela’s Pedro Francisco Ceballos Fuentes in their men’s 86kg freestyle repechage match on Aug. 20, 2016, at the Carioca Arena 2.

A general view of the running stage during the women’s triathlon at Fort Copacabana on Aug. 20, 2016.

Inbee Park of South Korea reacts after sinking her final putt on the 18th hole to win gold during the final round of the women’s golf tournament at the Olympic Golf Course in Barra da Tijuca.

Katsiaryna Halkina of Belarus competes during the women’s individual all-around rhythmic gymnastics final on Aug. 20, 2016.

Competitors return to Copacabana beach after completing the swimming leg of the women’s triathlon on Aug. 20, 2016.

USA’s Lindsay Whalen goes to the basket during the women’s gold medal game against Spain at the Carioca Arena 1 on Aug. 20, 2016.

Belarus’ Melitina Staniouta performs during the rhythmic gymnastics individual all-around final on Aug. 20, 2016.

Czech Republic’s Jan Kuf falls from his horse in the show jumping portion of the men’s modern pentathlon event at the Deodoro Stadium on Aug. 20, 2016.

English Gardner, Tori Bowie, Tianna Bartoletta and Allyson Felix, from left, celebrate winning the gold medal in the women’s 400-meter relay Friday, Aug. 19, 2016, in Rio de Janeiro.

Usain Bolt holds up three fingers for his third gold medal after Team Jamaica won the men’s 400-meter relay Friday, Aug. 19, 2016, in Rio de Janeiro.

Tyson Gay reacts after Team USA was disqualified in the men’s 400-meter relay after initially winning the bronze medal Friday, Aug. 19, 2016, in Rio de Janeiro.

Riders compete in the men’s BMX final Friday, Aug. 19, 2016, in Rio de Janeiro.

Germany striker Dzsenifer Marozsan celebrates her team’s gold medal in soccer over Sweden on Friday, Aug. 19, 2016, in Rio de Janeiro.

Britain’s Lily Owsley, right, falls over Netherlands’ Caia van Maasakker during the women’s gold medal hockey match Friday, Aug. 19, 2016, in Rio de Janeiro.

Iran’s Hassan Sabzali Rahimi (blue) wrestles with Cuba’s Yowlys Bonne Rodriguez in their men’s 57kg freestyle bronze medal match Friday, Aug. 19, 2016, in Rio de Janeiro.

Turkey’s Nur Tatar celebrates after winning her taekwondo bronze medal bout in the 67kg category Friday, Aug. 19, 2016, in Rio de Janeiro.

Brazil’s Natalia Azevedo Gaudio competes in the individual all-around qualifying event of the Rhythmic Gymnastics at the Olympic Arena on August 19, 2016.

DeMarcus Cousins defends against Spain’s Pau Gasol during a semifinal match at the Carioca Arena 1 on August 19, 2016.

USA’s Taylor Sander spikes the ball during the semifinal match against Italy Maracanazinho Stadium on August 19, 2016.

New Zealand’s Kelsey Smith kneels on the pitch at the end of the bronze medal field hockey matach against Germany at the Olympic Hockey Centre in Rio de Janeiro on August 19, 2016.

A picture taken with an underwater camera shows Team Japan competing in the Teams Free Routine final during the synchronised swimming event at the Maria Lenk Aquatics on August 19, 2016.

South Korea’s Son Yeon Jae competes in the individual all-around qualifying event of the rhythmic gymnastics at the Olympic Arena on August 19, 2016. /

Team China competes in the Teams Free Routine final during the synchronised swimming event at the Maria Lenk Aquatics on August 19, 2016.

Canada’s Christine Sinclair the ball to score against Brazil during the bronze medal match on Aug. 19, 2016.

Australia’s Jacob Clear and Jordan Wood compete in the Men’s Kayak Four (K4) 1000m semifinal at the Lagoa Stadium on August 19, 2016.

Greece’s Varvara Filiou competes in the individual all-around qualifying event of the Rhythmic Gymnastics at the Olympic Arena on August 19, 2016.

Brazil’s Marta reacts during the bronze medal soccer match against Canada at the Arena Corinthians Stadium on August 19, 2016.

Russia’s Anastasiia Baryshnikova competes with Germany’s Rabia Guelec during their taekwondo qualifying bout in the -67kg category on August 19, 2016, at the Carioca Arena 3.

Germany’s players celebrate after winning the bronze medal in field hockey on August 19, 2016.

Fans of Brazil cheer their team during the women’s bronze medal soccer match against Canada at the Arena Corinthians Stadium on August 19, 2016.

Usain Bolt of Jamaica reacts after winning the men’s 200-meter final Thursday, Aug. 18, 2016, in Rio de Janeiro.

Riders compete in the BMX cycling men’s quarterfinals Thursday, Aug. 18, 2016, in Rio de Janeiro.

Athletes run up on the beach, seen through the Olympic rings, following the swimming portion of the men’s triathlon Thursday, Aug. 18, 2016, in Rio de Janeiro.

United States’ Helen Maroulis celebrates after beating Japan’s Saori Yoshida for the gold during the women’s wrestling freestyle 53-kg competition Thursday, Aug. 18, 2016, in Rio de Janeiro.

Team Egypt performs in thesynchronised swimming technical routine final Thursday, Aug. 18, 2016, in Rio de Janeiro.

Anastasija Grigorjeva of Latvia (blue) competes against Risako Kawai of Japan during the women’s freestyle 63-kg quarterfinals Thursday, Aug. 18, 2016, in Rio de Janeiro.

Gnonsiane Niombla of France, center, in action against Michelle Goos,left, and Nycke Groot of Netherlands during the women’s handball semifinal Thursday, Aug. 18, 2016, in Rio de Janeiro.

Misael Uziel Rodriguez of Mexico (red) and Bektemir Melikuziev of Uzbekistan (blue) in action during the men’s middle 75-kg semifinal Thursday, Aug. 18, 2016, in Rio de Janeiro.

Jorrit Croon of the Netherlands celebrates after scoring the first goal during the men’s bronze medal match against Germany on Thursday, Aug. 18, 2016, in Rio de Janeiro.

A look at the women’s 49er FX class medal race at the Marina da Gloria on Thursday, Aug. 18, 2016, in Rio de Janeiro.

U.S. runner Allyson Felix hands the baton to English Gardner in the women’s 4-by-100 relay round one on Aug. 18, 2016.

Greece water polo players talk in the pool during a match with Spain on Aug. 18, 2016.

France’s Laurisa Landre scores a goal past Netherlands’ Lois Abbingh, left, and Kelly Dulfer, right, during a women’s semifinal handball match on Aug. 18, 2016.

Germany’s Erik Heil, right, and Thomas Ploessel celebrate their bronze medal at the end of the 49er Men race on Aug. 18, 2016.

Adilbek Niyazymbetov of Kazakhstan, left, and Cuba’s Julio Cesar La Cruz compete in the men’s light heavyweight gold medal round on Aug. 18, 2016. Cesar La Cruz won the fight.

Canada’s Damian Warner competes in men’s decathlon pole vault during the athletics competitions on Aug. 18, 2016.

Serbia and Spain basketball players compete in a semifinal game on Aug. 18, 2016.

Britain’s Tiffany Porter (center) competes in the 100m Hurdles Semifinal at the Olympic Stadium in Rio de Janeiro on August 17, 2016.

France’s Penelope Leprevost on Flora de Mariposa competes in the Equestrian’s Show Jumping 2nd Qualifying round event at the Olympic Equestrian Centre in Rio de Janeiro, Brazil, on August 16, 2016.

Athletes train before the BMX cycling seeding phase runs at the X-Park BMX venue in Deodoro on August 17, 2016.

Netherlands’ Ellen Hoog celebrates her goal during the penalty shootout at the end of the the semifinal match against Germany at the Olympic Hockey Centre on August 17, 2016.

Brazil’s Talita Rocha reacts during the bronze medal match against the United States on August 17, 2016.

USA’s Brianna Rollins competes in the 100m Hurdles Final at the Olympic Stadium in Rio de Janeiro on August 17, 2016.

Germany’s beach volleyball gold medallists, Laura Ludwig (L) and Kira Walkenhorst, celebrate on the podium on August 17, 2016.

USA’s Ashton Eaton competes in the Decathlon Long Jump at the Olympic Stadium on August 17, 2016.

Silver medallist Nia Ali, gold medallist Brianna Rollins and bronze medallist Kristi Castlin celebrate after the women’s 100m Hurdles at the Olympic Stadium on August 17, 2016.

Jamaica’s Usain Bolt jokes with Canada’s Andre De Grasse after they crossed the finish line in the 200m Semifinal at the Olympic Stadium on August 17, 2016.

Athletes compete in the 5,000-meter at the Olympic Stadium on August 17, 2016.

India’s Sakshi Malik celebrates after winning against Kirghyzstan’s Aisuluu Tynybekova in their women’s 58kg freestyle bronze medal match on August 17, 2016.

USA’s Jennifer Simpson (bronze medal) poses during the podium ceremony for the women’s 1,500-meter race at the Olympic Stadium on August 17, 2016.

Brazil’s Agatha Bednarczuk enters the pitch prior to the beach volleyball final against Germany on August 17, 2016.

Silhouette of a diver on Aug. 17, 2016.

Venezuela’s Yoel Segundo Finol, right, fights Algeria’s Mohamed Flissi during a men’s flyweight 52-kg quarterfinals boxing match on Aug. 17, 2016.

Thailand’s Panipak Wongpattanakit, left, and South Korea’s Kim Sohui compete in the women’s taekwondo quarterfinals on Aug. 17, 2016.

Empty seats inside the Olympic stadium during the athletics competitions at the Olympic stadium in Rio de Janeiro, Brazil, on Aug. 12, 2016.

France’s Allison Pineau shoots past Spain’s Macarena Aguilar Diaz during the women’s quarterfinal handball match at the Future Arena in Rio on August 16, 2016.

Azerbaijan’s Lorenzo Sotomayor Collazo is cooled off during a break from fighting Cuba’s Yasnier Toledo during a Light Welter (64kg) quarterfinal match at the Riocentro - Pavilion 6 on August 16, 2016.

Haiti’s Jeffrey Julmis, Cuba’s Yordan L. O’farril, Spain’s Orlando Ortega, Hungary’s Balzs Baji, USA’s Ronnie Ash and Britain’s Andrew Pozzi compete in the Men’s 110m Hurdles Semifinal on August 16, 2016.

Haiti’s Jeffrey Julmis reacts after falling in the Men’s 110m Hurdles Semifinal at the Olympic Stadium on August 16, 2016.

USA’s Christian Taylor competes in the Triple Jump Final during at the Olympic Stadium on August 16, 2016.

Robson Conceicao gestures after receiving Brazil’s first-ever Olympic boxing gold in Rio, triggering pandemonium. The man who sold vegetables on the streets as an impoverished child became an instant national hero in defeating the Frenchman Sofiane Oumiha on unanimous points in their lightweight final showdown.

Abbey D’Agostino is assisted by Nikki Hamblin of New Zealand after a collision during the women’s 5,000-meter preliminary run on Aug. 16, 2016, in Rio de Janeiro.

Athletes compete in the women’s 5000-meter heat at the Olympic Stadium on August 16, 2016.

Brazil’s Fabiana Moraes reacts in the Women’s 100m Hurdles at the Olympic Stadium in Rio de Janeiro on August 16, 2016.

Gold medallist Kenya’s David Lekuta Rudisha celebrates on the podium for the 800 meter at the Olympic Stadium on August 16, 2016.

Canada’s Derek Drouin celebrates winning the High Jump Final at the Olympic Stadium on August 16, 2016.

Canada’s Derek Drouin competes in the High Jump Final at the Olympic Stadium in Rio de Janeiro on August 16, 2016.

Silver medallist France’s Renaud Lavillenie cries on the podium during the medal ceremony for the men’s pole vault on August 16, 2016.

Cyclists compete in the men’s Keirin qualifying track event at the Velodrome on August 16, 2016.

Brazil’s Sheilla Castro De Paula Blassioli, Natalia Pereira, Adenizia Da Silva, Fernanda Rodrigues, Juciely Cristina Barreto, Gabriela Braga Guimaraes and Josefa Fabiola Almeida De Sousa Alves walk to shake hand with China’s volleyballers prior to the start of the women’s quarterfinal match at the Maracanazinho stadium in Rio de Janeiro on August 16, 2016.

Angola’s goalkeeper Teresa Patricia Almeida tries to stop the ball during the women’s quarterfinal handball match against Russia on August 16, 2016.

Erik Kynard of the USA competes in the men’s high jump final on Aug. 16, 2016.

Brazil’s Agatha Bednarczuk celebrates after winning the women’s beach volleyball semifinal match against the United States on Aug. 16, 2016.

Left, to right: Nercely Soto of Venezuela, Michelle-Lee Ahye of Trinidad and Tobago, Murielle Ahoure of the Ivory Coast, Tori Bowie of the United States and Edidiong Ofonime Odiong of Bahrain compete during the women’s 200m semifinals on Aug. 16, 2016.

United States’ April Ross, right, and Kerri Walsh Jennings hug on the bench after losing to Brazil during a women’s beach volleyball semifinal match on Aug. 17, 2016.

Annsert Whyte of Jamaica and L.J. van Zyl of South Africa compete during the men’s 400-meter hurdles semifinals on Aug. 16, 2016.

Tom Burton of Australia celebrates winning the gold medal in the men’s laser class on Aug. 16, 2016.

Sandra Perkovic of Croatia reacts after winning the gold medal during the women’s discus throw on Aug. 16, 2016.

Leinier Eunice Pero of Cuba is knocked down by Filip Hrgovic of Croatia during the men’s super heavyweight boxing quarterfinal on Aug. 16, 2016.

Christinna Pedersen and Kamilla Rytter Juhl of Denamrk celebrate their victory over Tang Yuanting and Yu Yang of China in the women’s badminton doubles semifinals on Aug. 16, 2016.

Lisa Dahlkvist of Sweden, center, and her teammates celebrate a win over Brazil in the women’s soccer semifinals on Aug. 16,2016.

U.S. gymnasts Simone Biles, center, who won gold, and Aly Raisman, left, who won silver, show off their medals for floor competition, along with Britain’s Amy Tinkler, at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Aug. 16, 2016.

In this multiple exposure photo, United States’ Simone Biles performs on the floor during the artistic gymnastics women’s apparatus final on Aug. 16, 2016.

Hao You of China competes on the parallel bars final on Aug. 16, 2016.

United States’ Simone Biles performs on the floor during the artistic gymnastics women’s apparatus final on Aug. 16, 2016.

Usain Bolt of Jamaica prior to competing in the men’s 200-meter race on Aug. 16, 2016.

Francois Pervis of France wins heat 3 in the men’s keirin on Aug. 16, 2016.

The Serbian woman’s basketball team celebrates a quarterfinal win over Australia on Aug. 16, 2016.

USA’s Emma Coburn waves her national flag as she celebrates placing third in the 3000m steeplechase at the Olympic Stadium on Aug. 15, 2016.

Swimmers compete during the women’s 10km marathon swimming as part of the Open Water event in Copacabana on August 15, 2016.

France’s Wilhem Belocian reacts after a false start in the 110m Hurdles Round 1 at the Olympic Stadium in Rio de Janeiro on August 15, 2016.

Brazil’s Flavia Saraiva competes in the balance beam event final at the Olympic Arena on August 15, 2016.

Spain’s Pau Gasol goes to the basket during a match against Argentina at the Carioca Arena 1 on August 15, 2016.

New Zealand’s Gemma Flynn celebrates after scoring her team’s third goal during a quarterfinal field hockey match against Australia on August 15, 2016.

Britain’s Sophie Hitchon celebrates after winning the bronze medal in the Hammer Throw at the Olympic Stadium on August 15, 2016.

China’s Huang Xuechen and Sun Wenyan compete in the Duets Technical Routine preliminaries at the Maria Lenk Aquatics on August 15, 2016.

Britain’s Andrew Pozzi, Brazil’s Joao Vitor de Oliveira, Trinidad and Tobago’s Mikel Thomas, Jamaica’s Andrew Riley, Virgin Islands’s Eddie Lovett, France’s Dimitri Bascou, South Africa’s Antonio Alkana, Czech Republic’s Petr Svoboda compete in the Men’s 110m Hurdles on August 15, 2016.

Netherland’s Kitty van Male is hit on the face by Argentina’s Agustina Habif during the women’s quarterfinal field hockey match on Aug. 15, 2016.

France’s Pascal Martinot-Lagarde competes in the Men’s 110m Hurdles Round 1 at the Olympic Stadium on August 15, 2016.

Britain’s Charlotte Dujardin kisses her fiance Dean Golding as she poses with her gold medal in front of the Olympic rings after the Equestrian’s Dressage Grand Prix Freestyle event on August 15, 2016.

Great Britain’s Charlotte Dobson and Sophie Ainsworth compete next to France’s Sarah Steyaert and Aude Compan during the women 49er FX Women Race on Guanabara Bay on August 15, 2016.

Mexico’s Rodrigo Diego Lopez competes in the Men’s 3m Springboard Preliminary during the diving event at the Maria Lenk Aquatics Stadium on August 15, 2016.

A lone Thai spectator watches as Thailand’s Porntip Buranaprasertsuk return to Ukraine’s Maria Ulitina during their women’s singles round of 16 badminton match on August 15, 2016.

Brazil’s Arthur Zanetti competes in the rings event final at the Olympic Arena on August 15, 2016.

China’s Li Xiaoxia prepares to serve in the women’s team semifinal table tennis match against Singapore at the Riocentro venue on August 15, 2016.

Bahrain’s Ruth Jebet, Kenya’s Beatrice Chepkoech, Kenya’s Hyvin Kiyeng Jepkemoi and USA’s Emma Coburn compete in the Women’s 3000m Steeplechase Final at the Olympic Stadium in Rio de Janeiro on August 15, 2016.

India’s Renjith Maheswary competes in the men’s Triple Jump qualifying round at the Olympic Stadium on August 15, 2016.

hiago Braz da Silva of Brazil celebrates winning the men’s pole vault final on Aug. 15, 2016.

Brazilian fans cheer during the men’s preliminary Pool A volleyball match between Brazil and France on Aug. 15, 2016.

France’s Renaud Lavillenie competes in the men’s pole vault final on Aug. 15, 2016.

Shaunae Miller of the Bahamas reacts after winning the gold medal in the women’s 400-meter final as bronze medalist Shericka Jackson of Jamaica, left, and silver medalist Allyson Felix of the United States stand over her on Aug. 15, 2016.

This combination of pictures created on Aug. 15, 2016, shows Bahamas’ Shaunae Miller diving to cross the finish line to win the women’s 400-meter final.

Sara Slott Petersen of Denmark competes during the women’s 400-meter hurdles heats on Aug. 15, 2016.

Shaunae Miller of the Bahamas dives over the finish line to win the gold medal in the women’s 400-meter final ahead of silver medalist Allyson Felix of the United States, center, and bronze medalist Shericka Jackson of Jamaica on Aug. 15, 2016.

Thiago Braz da Silva of Brazil celebrates after winning the men’s pole vault final on Aug. 15, 2016.

France’s Renaud Lavillenie leaves the stadium after taking the silver medal in the men’s pole vault final on Aug. 16, 2016.

France’s Pierre-Ambroise Bosse reacts after he competed in the men’s 800-meter final on Aug. 15, 2016.

Jamaica’s Shelly-Ann Fraser-Pryce fixes her hair on the podium after winning the bronze medal in the 100-meter dash on August 14, 2016.

An overview shows Jamaica’s Usain Bolt posing for pictures after winning the 100-meter dash on Aug. 14, 2016.

South Africa’s Wayde van Niekerk celebrates winning the 400-meter race at the Olympic Stadium in Rio de Janeiro on August 14, 2016.

Britain’s Andy Murray reacts after winning the gold-medal match over Argentina’s Juan Martin Del Potro at the Olympic Tennis Centre on August 14, 2016.

Britain’s Max Whitlock competes in the men’s pommel horse event final at the Olympic Arena on August 14, 2016.

Brazil’s Arthur Mariano and Diego Hypolito celebrate after the men’s floor event final on August 14, 2016.

Cyclists compete in the men’s Omnium Elimination race track cycling event at the Velodrome on August 14, 2016.

A man dressed up as the Olympic Torch holds a figure representing Usain Bolt as he waits for the 100-meter dash on Aug. 14, 2016.

Jamaica’s Usain Bolt reacts after he crossed the finish line to win the men’s 100-meter dash final Sunday, Aug. 14, 2016, in Rio de Janeiro.

South Africa’s Wayde Van Niekerk pauses after winning the gold medal in the men’s 400-meter final Sunday, Aug. 14, 2016, in Rio de Janeiro.

Usain Bolt of Jamaica competes in his men’s 100-meter dash semifinal Sunday, Aug. 14, 2016, in Rio de Janeiro.

Simone Biles celebrates after her winning gold in the vault Sunday, Aug. 14, 2016, in Rio de Janeiro.

Hungary’s Andras Redli celebrates after winning the men’s team epee bonze medal bout against Ukraine Sunday, Aug. 14, 2016, in Rio de Janeiro.

Sarah Elizabeth Robles competes during the women’s over-75kg weightlifting final Sunday, Aug. 14, 2016, in Rio de Janeiro.

Azerbaijan’s Teymur Mammadov takes a break from fighting Kazakhstan’s Adilbek Niyazymbetov during a men’s 81kg boxing quarterfinal Sunday, Aug. 14, 2016, in Rio de Janeiro.

Russia’s duet Natalia Ishchenko and Svetlana Romashina compete in the Duets Free Routine preliminaries during the synchronised swimming event on Aug. 14, 2016.

Jelagat Sumgong, center, of Kenya celebrates on the podium after winning the gold medal in the women’s marathon on August 14, 2016.

Russia’s duet Natalia Ishchenko and Svetlana Romashina compete in the Duets Free Routine preliminaries during the synchronised swimming event on Aug. 14, 2016.

Kenya’s Jelagat Sumgong, left, and Bahrain’s Eunice Jepkirui Kirwa react after finishing respectivly first and second in the women’s marathon on Aug. 14, 2016.

Cuba’s Ismael Borrero Molina (red) wrestles with China’s Wang Lumin in their men’s 59kg greco-roman quarter-final match on August 14, 2016.

Madelein Meppelink of the Netherlandsburies her head in her hands after losing against Switzerland during women’s beach volleyball on Aug. 13, 2016.

Special military police pass the Olympic rings next to morning joggers on Copacabana Beach Aug. 14, 2016.

Christine Kalmer of South Africa during the women’s marathon on Aug. 13, 2016.

Brazil’s Tamires Lima De Araujo scores a goal as Montenegro’s Ema Ramusovic, left, and Jovanka Radicevic, right, look on during a women’s preliminary handball match on Aug. 14, 2016.

The pool in the Lenk Aquatic Center where the synchronized swimming competition is held, is photographed after going through a change in water overnight, on Aug. 14, 2016. Olympic officials gave up on cleaning the green-tinged water in one of the pools at the Maria Lenk Aquatics Center. Instead, they began draining it Saturday and planned to transfer nearly 1 million gallons of clear water from a nearby practice pool in time for the start of synchronized swimming.

Synchronized swimming duet teams practice their routines in the pool at the Lenk Aquatic Center during a training session the morning after the pool went through a change in water, on Aug. 14, 2016.

A Brazilian fan cheers before the start of the women’s marathon on Aug. 14, 2016.

Lauren van Risen of Netherlands, left, rides on the barrier wall with Virginie Cueff of France after evading a crash during heat two of the first round of the women’s keirin race on Aug. 13, 2016.

Michael Phelps celebrates after United States won the men’s 400-meter medley relay final Saturday, Aug. 13, 2016, in Rio de Janeiro.

Jeff Henderson celebrates winning the men’s long jump gold medal Saturday, Aug. 13, 2016, in Rio de Janeiro.

Puerto Rico’s Monica Puig reacts after winning the women’s tennis gold medal Saturday, Aug. 13, 2016, in Rio de Janeiro.

Pau Gasol holds his chest during a game against Lithuania Saturday, Aug. 13, 2016, in Rio de Janeiro.

Britain’s Joe Joyce celebrates as Cape Verde’s Davilson Dos Santos Morais tries to get up during a men’s super heavyweight preliminary boxing match Saturday, Aug. 13, 2016, in Rio de Janeiro.

Jamaica’s Usain Bolt competes in the preliminary heats of the men’s 100-meter dash Saturday, Aug. 13, 2016, in Rio de Janeiro.

Jamaica’s Usain Bolt arrives in the stadium to compete in a men’s 100-meter heat Saturday, Aug. 13, 2016, in Rio de Janeiro.

Germany’s Christoph Harting celebrates after he won the men’s discus throw Saturday, Aug. 13, 2016, in Rio de Janeiro.

China’s Shi Tingmao competes in the women’s three-meter springboard diving event Saturday, Aug. 13, 2016, in Rio de Janeiro.

Kendrick James Farris falls during the men’s weightlifting 94kg event Saturday, Aug. 13, 2016, in Rio de Janeiro.

Maryan Muse of Somalia competes during the women’s 400-meter heats on Aug. 13, 2016.

Team United States prepares to compete in the women’s team pursuit on Aug. 13, 2016.

China’s Ma Menglu prepares to start the women’s team pursuit first round track cycling event on Aug. 13, 2016.