Due to the impact of the COVID-19 pandemic on Gaelic games, the tournament was delayed to the last months of the year, and was shortened to a season of twenty matches.
[1][2] Instead original fixtures will be rescheduled for 2021 championships.
Eleven county teams compete in the Senior Championship.
[3] 20 lower-ranked county teams compete in the Intermediate and Junior Championships.
[5] Group games took place between 17 October and 8 November.