For the athletics at the 2020 Summer Olympics competitions, the following qualification systems are in place. Qualification ended on 29 June 2021, but for marathon and 50 km race walking, it already ended on 31 May 2021. Some 1900 athletes, from 196 countries, will compete. 103 countries are qualified also through Universality places.
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 1500 metres event at the 2020 Summer Olympics took place between 3 and 7 August 2021 at the Japan National Stadium. Approximately fifty athletes were expected to compete; the exact number depended on how many nations used universality places to enter athletes in addition to the 45 qualifying through time or ranking. 47 competitors from 27 nations competed. Jakob Ingebrigtsen set a new Olympic record on his way to the gold medal, Norway's first medal in the men's 1500 metres. Timothy Cheruiyot of Kenya took silver, returning that nation to the podium for the first time since a four-Games medal streak ended in 2008. Josh Kerr earned bronze, Great Britain's first medal in the event since 1988.
The men's 5000 metres event at the 2020 Summer Olympics took place on 3 and 6 August 2021 at the Japan National Stadium. Approximately 45 athletes competed; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 42 qualifying through time or ranking.
The men's 10,000 metres event at the 2020 Summer Olympics took place on 30 July 2021 at the Japan National Stadium. 25 athletes competed. None of the 2016 medalists took part in the competition. Selemon Barega from Ethiopia won the event, with Ugandans Joshua Cheptegei, the world record holder, and Jacob Kiplimo coming second and third, respectively. All of them won their first Olympic medal.
The men's 110 metres hurdles event at the 2020 Summer Olympics took place between 3 and 5 August 2021 at the Olympic Stadium. Approximately forty athletes were expected to compete; the exact number was dependent on how many nations used universality places to enter athletes in addition to the 40 qualifying through time or ranking. 40 athletes from 29 nations competed. Hansle Parchment of Jamaica won the gold medal, the nation's second consecutive victory in the event. His countryman Ronald Levy took bronze. American Grant Holloway earned silver, placing the United States back on the podium in the event after the nation missed the medals for the first time in Rio 2016.
The men's 3000 metres steeplechase event at the 2020 Summer Olympics took place on 30 July and 2 August 2021 at the Japan National Stadium. 45 athletes competed.
The men's marathon event at the 2020 Summer Olympics started at 07:00 on 8 August 2021 in Sapporo, Japan. 106 athletes from 46 nations competed. The previous Olympic champion, Kenyan Eliud Kipchoge, successfully defended his title, with Dutch and Belgian athletes Abdi Nageeye and Bashir Abdi gaining silver and bronze, respectively. Kipchoge was the third man to repeat as Olympic marathon champion, after Abebe Bikila and Waldemar Cierpinski. The Netherlands and Belgium earned their first men's marathon medals since 1980 and 1976, respectively.
The women's marathon event at the 2020 Summer Olympics started at 06:00 on 7 August 2021 in Sapporo. Peres Jepchirchir of Kenya won gold in 2:27:20 followed by world record holder and Kenyan teammate Brigid Kosgei with silver, and American Molly Seidel winning the bronze medal in only her third marathon race.
The women's 20 kilometres walk event at the 2020 Summer Olympics took place on 6 August 2021 in Sapporo. Approximately 60 athletes competed; the exact number depended on how many nations use universality places to enter athletes in addition to the number qualifying through time. The winner was Antonella Palmisano of Italy.
The men's 50 kilometres walk event at the 2020 Summer Olympics took place on 6 August 2021 in Sapporo. 59 athletes competed; the exact number was dependent on how many nations use universality places to enter athletes in addition to the number qualifying through time.
The men's triple jump event at the 2020 Summer Olympics took place between 3 and 5 August 2021 at the Japan National Stadium. Approximately 35 athletes were expected to compete; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 32 qualifying through time or ranking. 32 athletes from 19 nations competed. Pedro Pichardo of Portugal won the gold medal, the nation's second victory in the men's triple jump. China's Zhu Yaming took silver, while Hugues Fabrice Zango earned Burkina Faso's first Olympic medal in any event.
The men's pole vault event at the 2020 Summer Olympics took place between 31 July and 3 August 2021 at the Japan National Stadium. 29 athletes from 18 nations competed. Armand Duplantis of Sweden won gold, with Christopher Nilsen of the United States earning silver and Thiago Braz of Brazil taking bronze. It was Sweden's first victory in the event and first medal of any color in the men's pole vault since 1952. Braz, who had won in 2016, became the ninth man to earn multiple medals in the pole vault.
The women's shot put event at the 2020 Summer Olympics is scheduled to take place on 30 July and 1 August 2021 at the Japan National Stadium. Approximately 35 athletes are expected to compete; the exact number will depend on how many nations use universality places to enter athletes in addition to the 32 qualifying through distance or ranking.
The men's discus throw event at the 2020 Summer Olympics took place between 30 and 31 July 2021 at the Japan National Stadium. Approximately 35 athletes were expected to compete; the exact number depended on how many nations use universality places to enter athletes in addition to the 32 qualifying through distance or ranking. 32 athletes from 24 nations competed. Daniel Ståhl of Sweden won gold, with his countryman Simon Pettersson earning silver. It was the first victory in the event for Sweden and the first men's discus throw medal of any color for the nation since 1972. Lukas Weißhaidinger took Austria's first-ever Olympic in the men's discus with his bronze.
The men's hammer throw event at the 2020 Summer Olympics took place between 2 and 4 August 2021 at the Japan National Stadium. Approximately 35 athletes were expected to compete; the exact number was dependent on how many nations used universality places to enter athletes in addition to the 32 qualifying through distance or ranking. 31 athletes from 21 nations competed. Wojciech Nowicki of Poland won the gold medal, adding to his 2016 bronze to become the 15th man to earn multiple hammer throw medals. It was Poland's second gold medal in the event, after Szymon Ziółkowski's 2000 victory. Nowicki's countryman Paweł Fajdek took bronze. Between them was Norwegian thrower Eivind Henriksen, with his silver being Norway's first-ever Olympic medal in the men's hammer.
The men's javelin throw event at the 2020 Summer Olympics took place on 4 and 7 August 2021 at the Japan National Stadium. Approximately 35 athletes competed; the exact number depended on how many nations use universality places to enter athletes in addition to the 32 qualifying through distance or ranking.
The women's javelin throw event at the 2020 Summer Olympics took place on 3 and 6 August 2021 at the Japan National Stadium. Approximately 35 athletes competed; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 32 qualifying through distance or ranking.
The men's decathlon event at the 2020 Summer Olympics took place on 4 and 5 August 2021 at the Japan National Stadium. 23 athletes competed.
The women's heptathlon event at the 2020 Summer Olympics took place on 4 and 5 August 2021 at the Japan National Stadium. 24 athletes competed.
