Mass Participation World

The 2020 London Marathon was the 40th running of the annual marathon race in London, United Kingdom, which took place on 4 October 2020. Due to the COVID-19 pandemic, the race was postponed from 26 April and only allowed elite participants; the mass participation event was cancelled. The event used a different course from usual, consisting of multiple laps around St James's Park.

No other distinct episodes are currently listed.