Florence Delorez Griffith Joyner, also known as Flo-Jo, was an American track and field athlete. She set world records in 1988 for the 100 m and 200 m. During the late 1980s she became a popular figure due to both her record-setting athleticism and eclectic personal style.
Allyson Michelle Felix is a retired American track and field athlete who competed in the 100 meters, 200 meters and 400 meters. She specialized in the 200 meters from 2003 to 2013, then gradually shifted to the 400 meters later in her career. At 200 meters, Felix is the 2012 Olympic champion, a three-time world champion (2005–2009), a two-time Olympic silver medalist, and the 2011 world bronze medalist. At 400 meters, she is the 2015 world champion, 2011 world silver medalist, 2016 Olympic silver medalist, 2017 world bronze medalist, and 2020 Olympic bronze medalist. Across the short distances, Felix is a ten-time U.S. national champion.
Sanya Richards-Ross is a retired Jamaican-American track and field athlete, who competed internationally for the United States in the 400-meter sprint. Her notable accolades in this event include being the 2012 Olympic champion, 2009 world champion, 2008 Olympic bronze medalist, and 2005 world silver medalist. With her victory in 2012, she became the second American woman to win the 400 meters at the Olympic Games and the first American woman to earn multiple global 400-meter titles. At this distance, Richards-Ross is also a six-time U.S. national champion.
De'Hashia Tonnek "DeeDee" Trotter is an American athlete. Trotter is a former NCAA national champion in the 400m, and competed in the 2004, 2008, and 2012 Summer Olympics. There, she was a two-time Olympic gold medalist in the 4 × 400 m relay, in addition to a bronze medalist in the 2012 400m event. She placed 5th in the same event in 2004. Trotter is currently a brand ambassador for international company Education First, and a global motivational speaker.
Connie Price-Smith is an American shot putter and discus thrower. Price-Smith is also a four-time Olympian. She graduated from Southern Illinois University-Carbondale in 1985.
Shaunae Miller-Uibo is a Bahamian track and field sprinter who competes in the 200 and 400 metres. She is a two-time Olympic champion after winning the women's 400 metres at the 2016 Rio Olympics and again at the 2020 Tokyo Olympics.
Marlena Hilari Wesh is a Haitian-American sprinter who competed in the 2012 Summer Olympics for Haiti in the women's 200-meter and 400-meter sprints. She appeared on the twenty-sixth season of The Bachelor.
Carline Muir is a Canadian sprinter, who specialized in the 400 metres. She won the bronze medal for the 400 metres, and ultimately, led her national team to claim the sprint relay title at the 2009 Summer Universiade in Belgrade, Serbia. She is also a three-time junior national champion, a two-time silver medalist at the Canadian Track and Field Championships.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. She is the 2016 Rio Olympics champion and 2020 Tokyo Olympics silver medalist, becoming at the latter the second-fastest woman of all time in the event with her personal best of 51.58 seconds. Muhammad was second at both the 2013 and 2017 World Championships to take her first gold in 2019, setting the former world record of 52.16 s. She was the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. At both the 2019 World Championships and Tokyo Games, she also took gold as part of women's 4 × 400 metres relay team.
Nia Ali is an American track and field athlete, who specializes in the 100 m hurdles, heptathlon, and other events.
Jamaica competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. This marked its sixteenth Summer Olympic appearance as an independent nation, although it had previously competed in four other editions as a British colony, and as part of the West Indies Federation.
Kendra "Keni" Harrison is an American hurdler. Harrison held the world record in the women's 100 metres hurdles with a time of 12.20 seconds, set on July 22, 2016 at the London Müller Anniversary Games, breaking the previous world record of 12.21 seconds achieved nearly 28 years earlier by Bulgarian athlete Yordanka Donkova.
Regine Tugade-Watson is a Guamanian sprinter. She competed in the women's 100 metres event at the 2015 World Championships in Athletics in Beijing, China, as well as the girl's 200 m event at the 2015 World Youth Championships in Cali, Colombia. She competed in the women's 100 m preliminary round of the 2016 Summer Olympics. Tugade finished third place in her heat but did not progress further. She also competed in her second World Championships in 2017, competing in the 200 m. She holds seven Guamanian national records in athletics. In July 2021 she was a flag bearer in the Parade of Nations at the Tokyo Olympics opening ceremony.
DeAnna Marie Price is an American track and field athlete competing primarily in the hammer throw. Price's personal best in the hammer is 80.31 m (263 ft 5 in), the American record, set at the 2021 US Olympic trials. The throw ranked her as the #2 women's thrower in history.
Kate Grace is an American middle-distance runner. A multiple All-American runner for Yale University, she turned professional in 2011. Grace competed for the United States at the 2016 Summer Olympics, making it to the final of the 800 metres.
Liberia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's twelfth appearance at the Olympics since its debut in 1956, except for four occasions. Liberia failed to register any athletes at both the 1968 and 1992 Summer Olympics, joined the rest of the African nations to boycott the 1976 Summer Olympics in Montreal, and joined the United States-led boycott of the 1980 Summer Olympics, withdrawing after the opening ceremony.
Chad competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its twelfth appearance at the Summer Olympics since its debut in 1964. The delegation included two track and field athletes: Bachir Mahamat in the men's 400 metres and Bibiro Ali Taher in the women's 5000 metres. Both athletes participated at the Games through wild card places since they did not meet the required standards to qualify. Neither athletes progressed past their heats.
Sarah Wellbrock is a German swimmer. She represented her country at the 2016 Summer Olympics. In the women's 400 metre freestyle, she finished 10th in the heats and did not qualify for the final. In the women's 800 metre freestyle, she finished in 8th place. She was also a member of the 4 × 200 m freestyle relay team which finished 12th in the heats and did not qualify for the final.
Aliyah Abrams is a Guyanese sprinter specialising in the 400 metres. She placed fifth in the women's 400m at the 2022 World Indoor Championships in Belgrade.
Anna Cockrell is an American track and field athlete competing in sprinting and hurdling. She is a two-time medalist at the 2019 Pan American Games in Lima, Peru and she represented the United States at the 2020 Summer Olympics in Tokyo, Japan.
Liberia 