Runners compete in the Tokyo Marathon in Tokyo on March 1, 2020. (PHILIP FONG / AFP)

Next year's Tokyo marathon has been rescheduled from March to until after the delayed Olympics due to the ongoing concerns caused by the COVID-19 pandemic, organisers said on Friday here.

Tokyo is one of the six World Marathon Majors along with Boston, Berlin, Chicago, New York and London

The race was originally scheduled to take place on March 7 and was expected to allow around 38,000 runners to participate.

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But due to restricted entry in Japan, the race has now been pushed back to Oct 17.

Tokyo is one of the six World Marathon Majors along with Boston, Berlin, Chicago, New York and London.

The first four of these were cancelled in 2020 due to the pandemic, while the London event was held last weekend featuring only elite runners in a “controlled secure biosphere” around St James’s Park.

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The 2020 Tokyo event was also held under a similar format on March 1.