Senegal competed at the 2000 Summer Olympics in Sydney, Australia.
The Bahamas is represented at the 2006 Commonwealth Games in Melbourne by a xx-member strong contingent comprising 25 sportspersons and xx officials.
Antigua & Barbuda was represented at the 2006 Commonwealth Games in Melbourne by a contingent comprising 18 sportspersons. Even though the nation did not earn a medal at these Games, the 4 x 100 relay team, featuring N'Kosie Barnes, Ivan Miller, Daniel Bailey, and anchor Brendan Christian, broke the Antigua & Barbuda national 4 x 100 record in the heats with a time of 39.9 seconds, and placed fifth in the finals.
Iceland competed at the 1996 Summer Olympics in Atlanta, United States.
Zimbabwe sent a team to compete at the 2008 Summer Olympics in Beijing, China.
Yemen competed at the 2008 Summer Olympics in Beijing, China.
Mexico competed at the 2012 Summer Paralympics in London, United Kingdom, from 29 August to 9 September 2012.
Great Britain and Northern Ireland competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015. This was their most successful championships to date.
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.
The Dominican Republic competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September to 6 October 2019.
India competed at the 2022 World Athletics Championships in Eugene, Oregon, from 15 to 24 July 2022. India had entered 21 athletes. India won their first silver at the World Athletics Championships since their debut in the games. Neeraj Chopra became the first male Indian to win a medal at the World Athletics Championships.
Venezuela competed at the 2022 World Athletics Championships in Eugene, Oregon from 15 to 24 July 2022. Venezuela had entered 4 athletes. Yulimar Rojas won the women's triple jump final to seal a third straight world triple jump crown, after Doha 2019 and London 2017, which made her the first three-time world champion in the discipline at the World Athletics Championships.
The Dominican Republic will compete at the 2022 World Athletics Championships in Eugene, Oregon, from 15 to 24 July.
New Zealand sent a team of 20 athletes to the 2022 World Athletics Championships. Their best result was fourth place, achieved by Tom Walsh in the men's shot put.
Belgium will compete at the 2022 European Championships in Munich from August 11 to August 22, 2022.
Switzerland competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022. The Swiss Athletics Federation entered 26 athletes.
New Zealand competed at the 2003 World Athletics Championships. Their best placing was fifth, achieved by Valerie Vili in the Women's shot put. The men's 4x100m relay team broke the national record in their heat, but did not advance to the semi-finals.
New Zealand competed at the 2001 World Championships in Athletics held in Edmonton, Canada. They did not have any athletes placed in the top 8 in any event.
Kenya competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022. The country finished in 4th place in the medal table.
New Zealand competed at the 1997 World Championships in Athletics held in Athens, Greece. The team won one medal, a gold, which was won by Beatrice Faumuina in the discus, which placed them equal 22nd on the medal table. This was New Zealand's first medal at a World Athletics Championships.
