Merlene Joyce Ottey is a Jamaican-Slovenian former track and field sprinter. She began her career representing Jamaica in 1978, and continued to do so for 24 years, before representing Slovenia from 2002 to 2012. She is ranked fourth on the all-time list over 60 metres (indoor), eighth on the all-time list over 100 metres and sixth on the all-time list over 200 metres. She is the current world indoor record holder for 200 metres with 21.87 seconds, set in 1993. She was named Jamaican Sportswoman of the Year 13 times between 1979 and 1995.
The 1st World Championships in Athletics were run under the auspices of the International Association of Athletics Federations and were held at the Olympic Stadium in Helsinki, Finland between 7 and 14 August 1983.
Meseret Defar Tola is an Ethiopian long-distance runner who competes chiefly in the 3,000 metres and 5,000 metres events. She has won medals at top-tier international competitions including Olympic and World Championship gold medals over 5,000 metres. She broke the world record in the event in 2006, broke it again in 2007 and held it until 2008, when fellow Ethiopian Tirunesh Dibaba beat her time.
Marc Burns is an athlete from Trinidad and Tobago specializing in the 100 metres and the 4 x 100 metres relay.
Gabriella Dorio is an Italian former athlete and Olympic gold winner. She won two medals, at senior level, at the International athletics competitions.
The 12th IAAF World Championships in Athletics were held in Berlin, Germany from 15 to 23 August 2009. The majority of events took place in the Olympiastadion, while the marathon and racewalking events started and finished at the Brandenburg Gate.
Claudinei Quirino da Silva is a retired Brazilian sprinter who competed primarily in 200 metres.
Simona La Mantia is an Italian triple jumper. Her best result at international senior level was a gold medal at the 2011 European Indoor Championships.
Odair Santos is a visually impaired Paralympian athlete from Brazil competing mainly in T11 classification middle and long-distance events. A veteran of four Paralympics, Santos has won nine Paralympic medals, including five silver medals. Santos is also a four time IPC World champion at the 1,500 metres event, being unbeaten from 2006 to 2015.
Adam Piotr Kszczot is a retired Polish middle-distance runner who specialised in the 800 metres. His achievements include silver medals at the 2015 and 2017 World Championships in Athletics, gold at the 2018 World Indoor Championships as well as silver and bronze at the 2014 and 2010 World Indoor Championships respectively. Kszczot won three gold medals in the 800 m at both the European Outdoor and Indoor Championships. He twice competed at the Olympic Games, in 2012 and 2016, narrowly missing the final on both occasions.
Dafne Schippers is a Dutch retired track and field athlete who competed in sprinting and the combined events. She holds the European record in the 200 metres with a time of 21.63 seconds, making her the sixth-fastest woman of all time at this distance. She also holds the Dutch records in the 100 metres and long jump, and shares the Dutch records in the 60 metres indoor and 4 × 100 metres relay.
Thiago Braz da Silva is a Brazilian athlete specializing in the pole vault who holds the Olympic record of 6.03 metres. He won the gold medal at the 2016 Summer Olympics and the bronze medal at the 2020 Summer Olympics.
Stephenie Ann McPherson is a Jamaican track and field athlete, who specializes in the 400 metres. She has won a bronze medal in the event at the 2013 World Championships, and then placed in the finals of both the 2016 Rio Olympics and the 2020 Tokyo Olympics and all four following World Championships between 2015 and 2022, consecutively. McPherson earned also a bronze at the 2022 World Indoor Championships. She added medals in the 4 x 400 metres relays, taking a silver at the 2016 Olympics, a gold in 2015 in Beijing, and a bronze in 2019.
Juliana Paula Gomes dos Santos is a Brazilian middle-distance runner. Her greatest achievement is a gold medal in the 1500 metres at the 2007 Pan American Games held in Rio de Janeiro. She is a three-time gold medallist at the South American Championships in Athletics, being the 1500 m champion in 2003 and 2006, as well as a 4×400 metres relay champion.
The 800 metres at the World Championships in Athletics has been contested by both men and women since the inaugural edition in 1983. It is the second most prestigious title in the discipline after the 800 metres at the Olympics. The competition format typically has two qualifying rounds leading to a final between eight athletes.
The 10,000 metres at the World Championships in Athletics has been contested by men since the inaugural edition in 1983 and by women since the subsequent edition in 1987. It is the second most prestigious title in the discipline after the 10,000 metres at the Olympics. The competition format is a straight final with typically between twenty and thirty participants. Before 1999, the event had two qualifying heats leading to a final.
Hugues Fabrice Zango is a Burkinabé athlete who specialises in the triple jump and the long jump. He is the world indoor record holder in the triple jump with a jump of 18.07 m set in 2021 and the reigning world champion, winning the gold medal in the triple jump at the 2023 World Championships. Zango competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, and won the bronze medal at the 2020 Summer Olympics in Tokyo, Japan, in the triple jump event, the first ever Olympic medal for Burkina Faso. He has also competed in World Championships, two African athletics championships, a Jeux de la Francophonie, two Summer Universiades and two African Games. He became the first-ever Olympic medalist for Burkina Faso earning a bronze medal and set the African triple jump record at the 2019 World Athletics Championships in Doha.
The 4×100 metres relay at the World Championships in Athletics has been contested by both men and women since the inaugural edition in 1983. It is the second most prestigious title in the discipline after the 4×100 metres relay at the Olympics. The competition format typically has one qualifying round leading to a final between eight teams. As of 2015, nations can qualify for the competition through a top eight finish at the previous IAAF World Relays event, with the remaining teams coming through the more traditional route of ranking highly on time in the seasonal lists. This system was modified due to the postponement of 2023 World Athletics Relays to 2024: therefore, the eight teams directly qualified are those of the 2022 World Championships, in Eugene, completed by eight more 2022-2023 top lists' teams.
Algeria has competed at the IAAF World Athletics Championships on eighteen occasions, sending a delegation to every event since the 1983 edition. Its competing country code is ALG. The country has won six gold medals, two silver medals and three bronze medals at the competition. All eleven of its medals come from six athletes in distance track events. Noureddine Morceli won the men's 1500 metres titles in 1991, 1993 and 1995, while his female counterpart Hassiba Boulmerka won two golds and one bronze. Azzedine Brahmi won 1991 bronze in the men's 3000 metres steeplechase. Djabir Saïd-Guerni won the men's 800 metres bronze in 1999 before winning a gold medal in that event in 2003. In 2019, Taoufik Makhloufi won the silver in the men's 1500 metres, and in the subsequent edition, Djamel Sedjati won the silver in the men's 800 meters.
Fábio da Silva Bordignon is a Brazilian Paralympic athlete competing in T35-classification events. He won two silver medals at the 2016 Summer Paralympics in Rio de Janeiro, Brazil. He also represented Brazil at the 2020 Summer Paralympics in Tokyo, Japan.
