Officials are reportedly set to announce Tuesday that the historic Kentucky Derby will be postponed until September amid the coronavirus outbreak.

The annual race, which draws thousands of spectators and millions more viewers across the country on TV, will be delayed until Sept. 5, Fox affiliate WDRB reported Monday.

Race officials are set to hold a press conference Tuesday morning, WDRB reported, to formally announce the postponement. Tuesday will mark the first time the race, in its 146th year, has been delayed since 1945, when it was moved to June.

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It's unclear whether the two other races that make up the Triple Crown will be delayed as well. the Preakness Stakes, run in Maryland, is currently set for May 16, and the Belmont Stakes in New York for June 6.

The Kentucky Derby is the latest major sporting event to be delayed or canceled due to the coronavirus outbreak. The NBA, NHL and MLB have all suspended their seasons and the NCAA canceled its Division I basketball tournament known as March Madness.

The global coronavirus outbreak has sickened more than 170,000 people, including nearly two dozen in Kentucky. One person has died from the disease in the state, compared to more than 7,000 worldwide.

Health officials around the U.S. are advising against public gatherings, while restaurants and other public spots have shut down or moved to delivery services.