Portugal competed at the 2012 Summer Olympics, held in London, from 27 July to 12 August 2012. The nation celebrated its centennial anniversary participating in the Olympics, having participated at every Summer edition since 1912. The Olympic Committee of Portugal sent a total of 77 athletes to the Games, 45 men and 32 women, to compete in 13 sports. Despite having the same number of athletes as in Beijing, Portugal did not qualify any athletes in archery, fencing and taekwondo.
The Bahamas competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. The Bahamas Olympic Association sent a total of 24 athletes to these Games, 14 men and 10 women, to compete only in athletics and swimming. The nation's participation at the Olympic games marked its sixteenth appearance as an independent nation.
Great Britain competed at the 2016 European Athletics Championships in Amsterdam, Netherlands, from 6–10 July 2016. British Athletics named a team of 98 athletes on 27 June 2016. On 4 July 2016 British Athletics confirmed that Adam Gemili would stand down from the 100m, and concentrate on the relay; his place was taken by reserve Ojie Edoburun. William Sharman also withdrew, his place taken by David King.
Due to past doping rules violations by the Russian Athletics Federation, the IAAF classified Russian athletes at the 2018 European Athletics Championships as "Authorized Neutral Athletes" instead of counting them as Russian participants.
Angola competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's tenth appearance at the Summer Olympics, having appeared in every Games since 1980 with the exception of the 1984 Summer Olympics in Los Angeles, when it was part of the Soviet boycott.
Andorra competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It is the nation's twelfth consecutive appearance at the Summer Olympics.
Mozambique competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's tenth consecutive appearance at the Summer Olympics.
Cook Islands competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's ninth consecutive appearance at the Summer Olympics.
American Samoa competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's ninth consecutive appearance at the Summer Olympics.
Nauru competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nations seventh appearance at the Summer Olympics since its debut in 1996.
Canada is scheduled to compete at the 2022 World Championships in Athletics in Eugene, Oregon, United States, from July 15−24, 2022.
Colombia competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022. The Colombian Athletics Federation had initially entered 14 athletes, but ended up competing with 7 of them due to the withdrawals of 7 athletes.
Mexico competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022. The Federation of Mexican Athletics Associations entered 25 athletes.
Portugal competed at the 2022 World Athletics Championships in Eugene, United States, from 15 to 24 July 2022.
Portugal 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.
Denmark competed at the 2022 European Athletics Championships in Munich, Germany, between 15 and 21 August 2022.
Romania competed at the 2022 European Athletics Championships in Munich, Germany, between 15 and 21 August 2022
Portugal competed at the 2022 European Athletics Championships in Munich, Germany, between 15 and 21 August 2022
France competed at the 2022 European Athletics Championships in Munich, Germany, between 15 and 21 August 2022
