There were two races fewer in the original schedule than in the 2019 UCI World Tour: Due to the COVID-19 pandemic that commenced in the spring, numerous races were postponed, including all three Grand Tours and four of the five annual 'monuments'.
As a result, race organisers requested new date allocations with the Union Cycliste Internationale (UCI) for many of these events.
[8] Further amendments were made to the calendar in June, with two more races being cancelled, several others moving dates and the EuroEyes Cyclassics was scheduled for October.
[15] Following the May calendar update, the E3 BinckBank Classic (27 March),[8] and the RideLondon–Surrey Classic (16 August) were both cancelled;[18] in the June calendar update, Eschborn–Frankfurt (initially scheduled for 1 May), and Dwars door Vlaanderen (having been rescheduled for 14 October) were also cancelled.
[4] On 30 September, the day after Dutch stages were removed from the BinckBank Tour, the Amstel Gold Race (initially scheduled for 19 April, and then rescheduled to 10 October), was cancelled following a surge of cases attributed to the COVID-19 pandemic in the Netherlands.