On 9 August, one day after the Olympics had ended, daily cases in Japan reached 100,000 for the first time, and new cases continued to increase until the peak on 23 August, when 156,931 cases were recorded.
The first test event was World Sailing's , held at in September 2018.
To postpone the Olympics until 2021, all events were delayed by 364 days one day less than a full year to preserve the same days of the week , giving a new schedule of 21 July to 8 August 2021.