Racing in Britain has been suspended until the end of April, forcing the cancellation of Britain's most famous race, the Grand National at Aintree Racecourse.
Churchill Downs announced the 146th Kentucky Derby (Run For the Roses) will now be run on September 5, while options are still being explored for the two other Triple Crown races, the Preakness Stakes and Belmont Stakes.
French racing has also been abandoned until at least April 15.
Horse racing in Victoria, Australia has seen health screening introduced at major racetracks to help combat the spread.
However, racing in Dubai and Hong Kong is pressing on for now.
How will other major race meetings like Royal Ascot Racecourse 2020 be impacted in the future?
What is Coronavirus?
COVID-19 is a new illness that can affect your lungs and airways. It's caused by a virus called coronavirus. The illness started in Wuhan, China.