He said security will be heavily stepped up for the race involving more than 50,000 runners. "I think this is a very crucial distinction", the Democrat mayor said at a press conference addressing the deadly terror attack in the city.
Lois Beckett, a reporter for the Guardian US, was at the parade and asked attendees why they chose to come out to celebrate despite the day's events.
"If you change your life then the bad guys win", another attendee told CNN's Jason Carroll. More police everywhere- you'll see them in the airports, you'll see them in the tunnels, ' Cuomo said. "We're living our lives because we're not going to allow the terrorists to win, period".
"Even though we're shaking, we're still strong", Seattle native Em Weiss said.
The parade, which is open to anyone in a costume, started in 1973 with a puppeteer marching with his family.
After the shocking incident, New York Gov. Andrew Cuomo said that more police will be present in the city, at airports and tunnels for Halloween festivities Monday evening and night. The driver killed at least eight and injured nearly a dozen others before hitting a school bus and exiting the auto, leading to his capture after an officer shot him in the stomach.
New York City Mayor de Blasio condemned the "particularly cowardly act of terror aimed at innocent civilians" would not break the city's spirit. Later on Tuesday, the World Trade Center lit up in red, white and blue in tribute to the victims.