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NEW YORK — The 2020 United Airlines NYC Half Marathon has been canceled and the New York Ineternational Auto Show has been postponed amid the novel coronavirus outbreak.

The half marathon was scheduled to take place Sunday.

“We know this is a challenging time for everyone, and the cancellation of the NYC Half is disappointing news to many, but the resources necessary to organize an event with 25,000 runners on the streets of Brooklyn and Manhattan have become strained during this difficult period,” the New York Road Runners group said in a statement. “Over the past week the NYRR team worked hard to adjust plans, implementing modifications and accommodations to alleviate crowding and facilitate social distancing. Unfortunately, it has become clear that we will be unable to proceed in the manner that our runners have come to expect at NYRR events, where the safety and security of our runners, volunteers, staff, partners, and spectators are our main concern.”

Thousands of runners and spectators were expected to flood the streets of Brooklyn and Manhattan for the race.

The Auto Show was moved to Aug. 28 – Sept. 6.

“We are taking this extraordinary step to help protect our attendees, exhibitors and all participants from the coronavirus,” said Mark Schienberg, president of the Greater New York Automobile Dealers Association, the organization that owns and operates the New York Auto Show.“For 120 years, ‘the show must go on’ has been heavily embedded in our DNA, and while the decision to move the show dates didn’t come easy, our top priority remains with the health and well-being of all those involved in this historic event.”

COVID-19 is generally spread person to person, by people who are within six feet of each other, according to the Centers for Disease Control and Prevention (CDC).

Respiratory droplets produced when an infected person coughs or sneezes can land in the mouths or noses of people nearby — or even get inhaled by the lungs, according to the CDC.

This poses as a threat to those participating in marathon activities as many, especially spectators, are in close proximity to each other.

There are more than 170 cases of coronavirus in New York.

Events and activities across the world have been canceled or postponed due to the COVID-19 outbreak.

Organizers for Coachella are discussing whether the music festival should be postponed.

The NBA, NHL, MLB and MLS jointly announced that locker rooms will be closed to journalists.

Ivy League officials announced they were canceling its men’s and women’s basketball tournaments over coronavirus concerns.

Pearl Jam announced the band was postponing the first leg of their tour.

Officials in Japan are discussing the possibility of postponing the Tokyo Olympics.

The country’s Olympic minister said early March that the contract to hold the Tokyo Games only specifies the event has to be held during 2020.

There are over 116,000 confirmed cases worldwide, with over 4,000 deaths. Over 64,000 people infected with COVID-19 have recovered, according to the Johns Hopkins Center for Systems Science and Engineering.