NEW YORK (CBSNewYork) — Thousands of motorcycle riders made their way to Ground Zero Sunday morning as part of an annual memorial ride to honor the victims and first responders of 9/11.

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More than 1,700 bikers participated in the four-day event, which started in Somerset, Pennsylvania and stopped in Washington DC before ending in New York City.

The 10th annual ride organized by America’s 911 Foundation raised more than $270,000 to go toward scholarships for children of first responders.

“Nobody ever says thank you to them,” said co-founder of the foundation Ted Sjurseth. “That disappeared probably three to six months after September 11, 2001.”

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“People are going to forget all about this I think,” said one rider. “Ten years from now, we’ll have the younger generations coming up, they’re not going to remember any of this. We can’t let that go down. It’s important. It’s important we do this every year.”

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They also visited the site of the Flight 93 crash and the Pentagon. The bikers wrapped up their journey with a wreath laying ceremony at Ground Zero.

To date, the foundation has raised more than $700,000 which has gone toward college scholarships and equipment for first responders across the country.

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For more information about America’s 911 Foundation and the annual ride, visit www.americas911foundation.org.