The Diamond League is an annual series of elite track and field athletic competitions comprising fourteen of the best invitational athletics meetings. The series sits in the top tier of the World Athletics one-day meeting competitions.
The women's 100 metres event at the 2020 Summer Olympics took place on 30 and 31 July 2021 at the Japan National Stadium. 71 athletes from 55 nations competed at the event.
The men's 200 metres event at the 2020 Summer Olympics took place on 3 and 4 August 2021 at the Olympic Stadium. 48 athletes from 33 nations competed, including five universality places. Canada earned its first gold medal in the event since 1928 and third overall, as Andre De Grasse added gold to his 2016 silver to become the 12th man to earn multiple medals in the 200 metres. Kenneth Bednarek and Noah Lyles, both of the United States, took silver and bronze as Americans reached the podium for the first time since 2008. Jamaica's three-Games gold medal streak in the event ended, with Usain Bolt having retired.
The men's 400 metres event at the 2020 Summer Olympics took place between 1 and 5 August 2021 at the Olympic Stadium. Approximately fifty athletes were expected to compete; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 48 qualifying through time or ranking. 48 athletes from 33 nations competed. The event was won by Steven Gardiner of the Bahamas, with Anthony Zambrano of Colombia taking silver. Those were the first medals in the men's 400 metres for each of those two nations. Kirani James of Grenada won his third consecutive medal in the event with his bronze, making him the first man to earn three medals in the 400 metres.
The men's high jump event at the 2020 Summer Olympics took place between 30 July and 1 August 2021 at the Olympic Stadium. 33 athletes from 24 nations competed; the total possible number depended on how many nations would use universality places to enter athletes in addition to the 32 qualifying through mark or ranking. Italian athlete Gianmarco Tamberi along with Qatari athlete Mutaz Essa Barshim emerged as joint winners of the event following a tie between both of them as they cleared 2.37m. Both Tamberi and Barshim agreed to share the gold medal in a rare instance where the athletes of different nations had agreed to share the same medal in the history of Olympics. Barshim in particular was heard to ask a competition official "Can we have two golds?" in response to being offered a 'jump off'. Maksim Nedasekau of Belarus took bronze. The medals were the first ever in the men's high jump for Italy and Belarus, the first gold in the men's high jump for Italy and Qatar, and the third consecutive medal in the men's high jump for Qatar. Barshim became only the second man to earn three medals in high jump, joining Patrik Sjöberg of Sweden.
The Men's 100m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 4, 2021. A total of 16 events were contested over this distance.
The Women's 100m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 4, 2021. A total of 13 events were contested over this distance.
The Men's 200m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 31 to September 4, 2021. A total of 5 events were contested over this distance.
The Women's 200m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 31 to September 4, 2021. A total of 7 events were contested over this distance.
The Men's 400m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 4, 2021. A total of 12 events were contested over this distance.
The Women's 400m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 4, 2021. A total of 9 events were contested over this distance.
The Men's 1500m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 28 to September 4, 2021. A total of 7 events were contested over this distance.
The Women's 1500m athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 28 to September 3, 2021. A total of 4 events were contested over this distance.
The Men's long jump athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 4, 2021. A total of 10 events were contested in this discipline.
The Women's long jump athletics events for the 2020 Summer Paralympics took place at the Tokyo National Stadium from August 27 to September 3, 2021. A total of 8 events were contested in this discipline.
The men's 100 metres T47 event at the 2020 Summer Paralympics in Tokyo, took place on 27 August 2021.
The women's 200 metres T36 event at the 2020 Summer Paralympics in Tokyo took place between 28–29 August 2021.
The women's 100 metres T11 event at the 2020 Summer Paralympics in Tokyo, took place between 30 and 31 August 2021.
The women's 100 metres T13 event at the 2020 Summer Paralympics in Tokyo, took place on 31 August 2021.
The men's 400 metres T12 event at the 2020 Summer Paralympics in Tokyo, took place between 31 August and 2 September 2021.
