The Maldives competed in the 2008 Summer Olympics, which were held in Beijing, People's Republic of China from August 8 to August 24, 2008. The country's participation at the Beijing Olympics marked its seventh appearance in the Summer Olympics since its debut at the 1988 Summer Olympics. The delegation included four athletes, two in athletics, and two in swimming who participated in four distinct events. Its four athletes did not advance past the first round in each of their events. Aminath Rouya Hussain carried the Maldivian flag during the parade of nations of the opening ceremony with sprinter Ali Shareef being the flagbearer for the closing ceremony. The country failed to win an Olympic medal at these Games and has yet to win their first medal.
Sudan sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. Nine competitors, all from the Darfur region and northern Sudan, represented Sudan at the Beijing games.
Bolivia sent a delegation to compete at the 2008 Summer Olympics, held in Beijing, China. The South American country's delegation was the fifteenth Summer Olympic team and seventeenth overall Olympic team overall sent by the country. Bolivia's National Olympic Committee sent seven athletes–three women and four men–across five sports and seven distinct events. A substantial number of the athletes originated in southern Bolivian cities, most notably Santa Cruz de la Sierra. All athletes except for cyclist Horacio Gallardo finished their events, although no medals were won by the country at these Games. Trap shooter César Menacho was the Bolivian flag bearer at the ceremonies.
Mauritania competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its eighth appearance in the Summer Olympics since its debut in the 1984 Summer Olympics. The delegation included two track and field athletes, Jidou El Moctar and Aicha Fall, who were selected to the team by wildcard places, as the nation had no athletes that met either the "A" or "B" qualifying standards. Moctar was selected as flag bearer for the opening ceremony while a LOCOG Games Maker carried it for the closing ceremony. Neither of the two athletes progressed beyond the heats.
The Marshall Islands marked its second consecutive Olympiad, at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. The Olympian delegation included two men and two women, one male and one female athlete in athletics and one male and one female athlete in swimming. Middle-distance runner Haley Nemra was honored as the national flag bearer at the opening ceremony. The Marshall Islands continued their streak of bringing home no medals.
Han Na-Kyeong is a South Korean swimmer, who specialized in long-distance freestyle events. Han is a member of the swimming team at Sehyeon High School in Seoul.
Choi Hye-Ra is a South Korean swimmer, who specialized in butterfly and individual medley events. She collected four medals in the 200 m butterfly, 200 m individual medley, and the 800 m freestyle relay at the 2006 Asian Games in Doha, Qatar, and at the 2010 Asian Games in Guangzhou, China. She also won a silver medal in the same medley distance at the 2011 Summer Universiade in Shenzhen, China, with a time of 2:14.17. She is a resident athlete of Osan Sports Club in Seoul.
Katarína Listopadová is a Slovak swimmer, who specialized in freestyle, butterfly, and individual medley events. She currently holds four Slovak records in the freestyle relays. Listopadova is also a resident athlete for J&T Sport Team Bratislava, and is coached and trained by Gabriel Baran.
Shrone Austin is a Seychellois swimmer, who specialized in freestyle and breaststroke events. She first competed in the women's 100 m breaststroke at the 2004 Summer Olympics, before turning her sights on the long-distance freestyle at the 2008 Summer Olympics. Apart from her Olympic career, Austin had collected a career total of six medals in two editions of the All-Africa Games.
Justine Bayigga is a Ugandan sprinter, who specialized in the 400 metres. Bayigga represented Uganda at the 2008 Summer Olympics in Beijing, where she competed in the women's 400 metres. She ran in the second heat, against six other athletes, including Italy's Libania Grenot, and future world-record holder Amantle Montsho of Botswana. She completed the sprint race in last place, with a time of 54.15 seconds, failing to advance into the semi-finals.
Susana Aylen Clement Quezada is a Cuban track and field athlete, who specialized in the 400 metres. She won gold medals for the national relay team at the 2009 Central American and Caribbean Championships in Havana, and also, at the 2011 Pan American Games in Guadalajara, Mexico.
Josiane da Silva Tito is a Brazilian sprinter and middle-distance runner.
Baraah Awadallah Marouane is a Jordanian middle distance runner. Awadallah represented Jordan at the 2008 Summer Olympics in Beijing, where she competed for the women's 800 metres. She ran in the first heat of the event, against six other athletes, including Russia's Svetlana Klyuka, who nearly missed out of the medal podium in the final. She finished the race in last place by fifteen seconds behind Australia's Madeleine Pape, with her personal and seasonal best time of 2:18.41. Awadallah, however, failed to advance into the semi-finals, as she placed thirty-seventh overall, and was ranked farther below three mandatory slots for the next round. She was eventually upgraded to a higher overall position, when Croatia's Vanja Perišić had been disqualified for failing the doping test.
Emilia Mikue Ondo is an Equatoguinean middle distance runner. She set a personal best time of 2:15.72 for the 800 metres at the 2007 IAAF World Championships in Osaka, Japan. She is also a two-time flag bearer for Equatorial Guinea at the Olympic opening ceremonies.
Vanja Perišić is a Croatian middle distance runner, who specialized in the 800 metres. Perisic represented Croatia at the 2008 Summer Olympics in Beijing, where she competed for the women's 800 metres. She ran in the third heat of the event, against six other athletes, including Kenya's Pamela Jelimo, who eventually won the gold medal in the final. She finished the race in sixth place by seventy-one hundredths of a second (0.71) behind Mauritius' Annabelle Lascar, with a time of 2:06.82. Perišić, however, failed to advance into the semi-finals, as she placed thirty-fifth overall, and was ranked farther below three mandatory slots for the next round.
Mihaela Silvia Neacşu is a Romanian middle distance runner. She is a national indoor champion for the 800 metres, and outdoor for the 1500 metres. She set a personal best time of 1:59.78 by winning the gold medal for the 800 metres at the second meet of IAAF Golden Grand Prix in Thessaloniki, Greece.
Élodie Guégan is a French middle distance runner, who specialized in the 800 metres. She won two medals, silver and bronze, for the 800 metres at the 2005 European Athletics U23 Championships in Erfurt, Germany, and at the 2007 European Athletics U23 Championships in Debrecen, Hungary. She also set a personal best time of 1:58.93 by finishing fifth at the 2008 ÅF Golden League in Saint-Denis, Paris.
Anna Rostkowska is a Polish middle-distance runner, who specialized in the 800 metres. She won a gold medal for the 800 metres at the 2001 European Athletics U23 Championships in Amsterdam, Netherlands, and silver at the 2003 Summer Universiade in Jeju City, South Korea. She also set a personal best time of 1:58.72 by finishing fourth at the 2008 ÅF Golden League in Saint-Denis, Paris.
Nicole Teter is an American middle distance runner, who specialized in the 800 metres. She is a three-time U.S. indoor champion, and a two-time Olympian. She also won a gold medal in the same category at the 2002 U.S. Outdoor Championships.
María do Carmo Sánchez Tavares de Miranda is a Portuguese middle-distance runner, who specialized in the 800 metres. At age thirty-four, Tavares made her official debut for the 2008 Summer Olympics in Beijing, where she competed in the women's 800 metres. She ran in the sixth and final heat against six other athletes, including Kenya's Janeth Jepkosgei Busienei, who eventually won the silver medal in the final. She finished the race in sixth place by more than a second behind Italy's Elisa Cusma Piccione, with a time of 2:01.91. Tavares, however, failed to advance into the semi-finals, as she placed twenty-first overall, and was ranked farther below three mandatory slots for the next round.
Uruguay 
