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.
Thailand competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China, from August 8 to August 24, 2008.
Zimbabwe sent a team to compete at the 2008 Summer Olympics in Beijing, China.
Yemen competed at the 2008 Summer Olympics in Beijing, China.
Canada competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015.
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.
Canada competed at the 2019 World Championships in Athletics in Doha, Qatar, from 27 September–6 October 2019.
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.
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.
Canada is scheduled to compete at the 2022 World Championships in Athletics in Eugene, Oregon, United States, from July 15−24, 2022.
Belgium competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022. Belgium entered 32 athletes.
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 competed at the 2022 European Athletics Championships in Munich, Germany, between 15 and 21 August 2022. A delegation of 59 athletes was sent to represent the country.
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.
New Zealand competed at the 1999 World Championships in Athletics held in Seville, Spain. Their best performances were 5th and 7th.
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.
