|Dates: 23 July-8 August Time in Tokyo: BST +8|
|Coverage: Watch live on BBC TV, BBC iPlayer, BBC Red Button and online; Listen on BBC Radio 5 Live, Sports Extra and Sounds; live text and video clips on BBC Sport website and app.|
Kenya's Eliud Kipchoge claimed victory in the men's marathon at Tokyo 2020 to become the first athlete since 1980 to retain an Olympic marathon title.
Kipchoge, only the third person to win successive Olympic marathons, finished in two hours eight minutes 38 seconds.
Regarded as the greatest marathon runner of all time, the 36-year-old crossed the line one minute 20 seconds ahead of the Netherlands' Abdi Nageeye.
In the race for bronze, Belgian Bashir Abdi edged out Kenyan Lawrence Cherono.
It is a fourth Olympic medal for Kipchoge, who famously recorded the first sub two hour marathon in 2019.
Kipchoge suffered his first marathon defeat in seven years in London last October, but he looked in control throughout the race in Sapporo, Japan, before moving well clear of the field after 30km.
The Kenyan - whose official marathon world record is the 2:01:39 he ran in Berlin in 2018 - won 5,000m bronze in 2004 and silver in 2008, before claiming his first Olympic gold in Rio five years ago.
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Britain's Chris Thompson was 54th in 2:21:29, however compatriots Callum Hawkins and Ben Connor did not finish the race.
Scottish record holder Hawkins, who collapsed in the Gold Coast heat at the 2018 Commonwealth Games, had placed ninth on his Olympics debut in Rio but was unable to stay with the leaders before withdrawing before the 30-kilometre mark.
On Friday, Kenya's Peres Jepchirchir won the women's marathon in 28C heat and, while the temperatures reached 27C on Saturday, the men benefitted from increased cloud cover.
Brazil's Daniel Do Nascimento suffered a nasty looking fall when in the lead group and was among the 30 athletes to pull out.
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