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The World Athletics Championships, known as the IAAF World Championships in Athletics until 2019, are a biennial athletics competition organized by World Athletics, formerly International Association of Athletics Federations. Alongside Olympic Games, the championships represents the highest level of senior international outdoor athletics competition for track and field athletics globally, including marathon running and race walking. Separate World Championships are held by World Athletics for certain other outdoor events, including cross-country running and half-marathon, as well as indoor and age-group championship.
The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. In many countries, athletes previously competed in the 440-yard dash (402.336 m)—which is a quarter of a mile and was referred to as the "quarter-mile"—instead of the 400 m (437.445 yards), though this distance is now obsolete.
The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap, totaling 1600 meters. It is traditionally the final event of a track meet. The first leg and the first bend of the second leg are run in lanes. Start lines are thus staggered over a greater distance than in an individual 400 metres race; the runners then typically move to the inside of the track. The slightly longer 4 × 440 yards relay, on an Imperial distance, was a formerly run British Commonwealth and American event, until metrication was completed in the 1970s.
Muizat Ajoke Odumosu Alademerin is a Nigerian track and field athlete who specialises in the 400 metres and the 400 metres hurdles. She represented Nigeria at the 2008 and 2012 Summer Olympics and competed at the World Championships in Athletics in 2007, 2009, 2011 and 2013. She was the bronze medallist at the 2007 All-Africa Games and went on to become the continental champion with a win at the 2008 and 2012 African Championships.
Ingrid Yahoska Narvaez is a Nicaraguan sprinter who specializes in the 400 metres. She represented Nicaragua at the 2012 Summer Olympics.
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 then-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.
The 2019 IAAF World Athletics Championships was the seventeenth edition of the biennial, global athletics competition organised by the International Association of Athletics Federations (IAAF), since renamed World Athletics. It was held between 27 September and 6 October 2019 in Doha, Qatar, at the renovated multi-purpose Khalifa International Stadium, but reduced to 21,000 available seats. 1,772 athletes from 206 teams competed in 49 athletics events over the ten-day competition, comprising 24 events each for men and women, plus a mixed relay. There were 43 track and field events, 4 racewalking events, and 2 marathon road running events. The racewalking and marathon events were held in Doha Corniche.
Ayomide Temilade Oluwatoyosi Folorunso is an Italian athlete specialising in the 400 metres hurdles. She competed in the 4 × 400 metres relay at the 2015 World Championships in Beijing.
Salwa Eid Naser is a Nigerian-born Bahraini sprinter who specialises in the 400 metres. She was the 2019 World champion with the third fastest time in history of 48.14 seconds, becoming the youngest-ever champion in the event and also the first woman representing an Asian nation to win that event at a World Championships. The mark places her only behind contested results of Marita Koch and Jarmila Kratochvílová. Over the distance, at only 19, Naser was the 2017 World silver medallist. She has also won, as a member of the Bahraini mixed-gender 4x400 m relay team, the 2019 World Championships bronze medal.
Kendall Ellis is an American sprinter. Ellis won gold in the 4x400 m relay and bronze in the Mixed 4x400 metres at the Tokyo Olympics. She competed in the 400 meters at the 2017 and 2019 World Championships, winning gold medals as a part of prelim 4×400 m relays. As a junior, Ellis took gold in the 4×400 m relay and bronze in the 400 meters at the 2015 Pan American Junior Championships.
The women's 400 metres at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha, Qatar, from 30 September to 3 October 2019.
Roneisha McGregor is a Jamaican sprinter. Competing in finals of 4 × 400 metres relays, she won a bronze medal in the women's relay at the 2020 Tokyo Olympics, and a silver in the mixed relay at the 2019 World Championships.
Shiann Salmon is a Jamaican track and field athlete who specializes in the 400 metres hurdles and 400 metres. She represented Jamaica at the 2019 World Athletics Championships, competing in women's 400 metres hurdles.
Linda Olivieri is an Italian hurdler who competed at the 2019 World Athletics Championships. She competed at the 2020 Summer Olympics, in 400 m hurdles.
Paulien Couckuyt is a Belgian track and field athlete who specializes in middle-distance running and 400 metres hurdles.
Janet Richard is a Maltese athlete. She competed in the women's 400 metres event at the 2019 World Athletics Championships. She did not advance to compete in the semi-finals.
Gabriella O'Grady is an Australian athlete. She competed in the women's 400 metres event at the 2019 World Athletics Championships. She did not advance to compete in the semi-finals.
Hellen Syombua is a Kenyan athlete. She competed in the women's 400 metres event at the 2019 World Athletics Championships. She did not advance to compete in the semi-finals.
Kenza Sosse is a Qatari athlete. She competed in the women's 400 metres event at the 2019 World Athletics Championships. She did not advance to compete in the semi-finals.
References
- ↑ "Anjali Devi". IAAF. Retrieved 10 October 2019.
- ↑ "400 Metres Women – Round 1" (PDF). IAAF (Doha 2019). Retrieved 10 October 2019.
- ↑ "Women's 400 metres – Heats" (PDF). 2019 World Athletics Championships. Archived (PDF) from the original on 30 September 2019. Retrieved 5 August 2020.
