The Central African Republic competed at the 2000 Summer Olympics in Sydney, Australia. This marked sixth appearance of the nation at a Summer Olympics. The country entered three competitors; Henriette Youanga in the women's individual archery, Mickaël Conjungo in the men's discus throw and Maria-Joëlle Conjungo in the women's 100 metres hurdles. None of those athletes advanced out of their heats.
Katrin Krabbe is a German former track and field athlete. She represented East Germany (GDR) at the 1988 Seoul Olympics, and went on to win the 100 metres and 200 metres titles at the 1991 World Championships in Tokyo, representing a unified Germany. Her best times are 10.89 secs for 100m (1988) and 21.95 secs for 200m (1990).
Grit Breuer is a German former athlete, who competed in the women's 200 metres, 400 metres, 4×100 m relay, and 4×400 m relay events.
Galina Valentinovna Chistyakova is a retired athlete who represented the Soviet Union and later Slovakia. She is the current world record holder in the long jump, jumping 7.52 metres on 11 June 1988. She is the 1988 Olympic bronze medalist and the 1989 World Indoor champion. She is also a former world record holder in the triple jump with 14.52 metres in 1989.
Anne Frances Audain is a New Zealand middle and long-distance runner. She competed in three Olympic Games and four Commonwealth Games, winning the 1982 Commonwealth Games 3000m title and a silver medal in the 10,000m at the 1986 Commonwealth Games.
Slovenia first participated as an independent nation at the Olympic Games at the 1992 Winter Olympics in Albertville, France, and the country has sent athletes to compete at every Games since then. The Slovenian Olympic Committee was established in 1991 and was recognised by the International Olympic Committee on 5 February 1992.
Albania first participated at the Summer Olympic Games in 1972. They missed the next four games, three of them for political reasons due to the 1980 Summer Olympics boycott, 1984 Summer Olympics boycott and 1988 boycotts, but returned for the Barcelona 1992 Summer Olympics. They have appeared in all games since then. They made their Winter Olympic Games debut in 2006. Albania normally competes in events that include swimming, athletics, weightlifting, shooting, and wrestling. The country has not yet won any Olympic medal. Along with Andorra, Bosnia and Herzegovina, Malta and Monaco, Albania is one of five current European participants that have never won an Olympic medal. They have been represented by the Albanian National Olympic Committee since 1972.
Saint Kitts and Nevis first participated at the Olympic Games in 1996, and have competed in every Summer Olympic Games since then. The country has never won an Olympic medal and has not competed at the Winter Olympic Games.
Burundi participated in the 2008 Summer Olympics, held in Beijing, China from 8 to 24 August 2008. It was Burundi's fourth appearance in the summer Olympics since its debut in 1996. The Burundi team included three athletes: runners Joachim Nshimirimana and Francine Niyonizigiye, as well as swimmer Elsie Uwamahoro. Niyonizigiye, a marathon runner, was flag bearer for the opening ceremony. None of the Burundi athletes progressed further than the qualifying round.
Angela Rosemary Tooby-Smith is a British former long-distance runner. She won a silver medal behind Ingrid Kristiansen at the 1988 IAAF World Cross Country Championships and a bronze medal in the 10,000 metres at the 1986 Commonwealth Games. She also finished ninth in the 10,000 metres final at the 1987 World Championships and competed at the 1988 Seoul Olympics. She is the twin sister of fellow athlete Susan Tooby.
Chad competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. This marked the nation's eleventh appearance at the Summer Olympics since its debut in the 1964 Summer Olympics. The Chadian delegation included track and field athlete Hinikissia Ndikert and judoka Carine Ngarlemdana. Ngarlemdana was the flag bearer for the opening ceremony and Ndikert was the flag bearer for the closing ceremony. Neither of Chad's athletes progressed beyond the first round of their events. Chad was one of only two countries to have a female-only team at the 2012 games.
Épiphanie Nyirabaramé is a Rwandan athlete who specialized in marathon and long-distance running. She represented Rwanda at two Olympic games.
The 100 metres at the Summer Olympics has been contested since the first edition of the multi-sport event. The men's 100 metres has been present on the Olympic athletics programme since 1896. The 100 metres is considered one of the blue ribbon events of the Olympics and is among the highest profile competitions at the games. It is the most prestigious 100 metres race at an elite level and is the shortest sprinting competition at the Olympics – a position it has held at every edition except for a brief period between 1900 and 1904, when a men's 60 metres was contested.
The 4 × 400 metres relay at the Summer Olympics is the longest track relay event held at the multi-sport event. The men's relay has been present on the Olympic athletics programme since 1912 and the women's event has been continuously held since the 1972 Olympics. The inaugural and so far the only mixed 4 × 400 metres relay was held at the 2020 Olympics. It is the most prestigious 4×400 m relay race at elite level. At the 1908 Summer Olympics, a precursor to this event was held – the 1600 m medley relay. This event, with two legs of 200 m, one of 400 m, and a final leg of 800 m, was the first track relay in Olympic history.
Alison Wiley Rochon is a Canadian former long-distance runner. She was a World Cross Country runner-up in 1983.
Evelyn Farrell is a sprinter who competed for the Netherlands Antilles at the 1984 Summer Olympics and for Aruba at the 1988 Summer Olympics. She was the first woman to represent Aruba at the Olympics.
Liliana Tagliaferri is an Italian sprinter who is twice National Champion at 100 metres and competed in the 1948 Summer Olympics and the 1952 Summer Olympics.
Christine Maree McMiken is a New Zealand former athlete. She competed at the 1988 Summer Olympics in the Women's 10000 metres event.
Christine Joy Pfitzinger is a New Zealand former middle-distance runner. She represented New Zealand at the 1988 Summer Olympics, where she competed in the 3000 metres. She won nine New Zealand national athletic championship titles: the 800 metres in 1982 and 1987; the 1500 metres in 1986, 1987, 1990 and 1999; and the 3000 metres in 1984, 1988 and 1990.
At the 1987 Central African Games, the athletics events were held at the Stade de la Revolution in Brazzaville, Republic of the Congo from 18–30 April.
Rwanda 
