All Irish racecourses will be closed to the public until March 29, Horse Racing Ireland have announced.
While race meetings will go ahead, they will take place behind closed doors, starting with the meeting at Dundalk tomorrow.
A stement read: "The Board of Horse Racing Ireland today announced that horse racing will take place behind closed doors starting at Dundalk tomorrow up until March 29th.
"It follows Government advice issued this morning to contain the spread of Covid-19, including an instruction to limit external gatherings to less than 500 people.
"After consultation with the Department of Agriculture, Food and the Marine and with industry stakeholders, Horse Racing Ireland has imposed a number of restrictions on race meetings between today and March 29th to ensure that less than 500 people are on site at each race meeting.
"These measures will take immediate effect, with the situation being kept under review.
"The restrictions are:
The statement added: "The restrictions which we are announcing today will limit social interaction but will allow a vital rural industry to continue to operate, protecting livelihoods and jobs."