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.
Luis Alberto Orta Millan is a Venezuelan long distance runner who specializes in the marathon. He competed in the men's marathon event at the 2016 Summer Olympics. He currently holds two Venezuelan Records: one in the Half Marathon distance and in the 10 km (road).
Sri Lanka competed at the 2017 World Championships in Athletics in London, United Kingdom, from 4–13 August 2017.
Bahrain will compete at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019. Bahrain will be represented by 21 athletes.
Turkmenistan competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September-6 October 2019, with their sole athlete, Irina Velihanova, competing in the women's 100m hurdles event.
Afghanistan competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019. Said Gilani was the only athlete representing Afghanistan for the second consecutive championships, in the men's 100 metres event.
Ireland competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019.
Malaysia competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019.
Hungary competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019. Hungary was represented by 17 athletes.
Pakistan competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September-6 October 2019, with their sole athlete, Arshad Nadeem, competing in the men's javelin throw event.
Antigua and Barbuda competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019. Antigua and Barbuda were represented by sole athlete Cejhae Greene, who participated in the men's 100 metres event.
China competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019. A total of 69 athletes from China participated.
Belgium competed at the 2019 World Championships in Athletics in Doha, Qatar from 27 September to 6 October 2019. Belgium has entered 29 athletes. The country finished in 24th place in the medal table.
Mongolia competed at the 2019 World Athletics Championships in Doha, Qatar from 27 September to 6 October 2019.
Burundi competed at the 2019 World Championships in Athletics in Doha, Qatar from 27 September to 6 October 2019.
Rwanda competed at the 2019 World Championships in Athletics in Doha, Qatar from 27 September to 6 October 2019.
Samoa competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019.
Kyrgyzstan competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019.
Tajikistan competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019.
