Tunnel to Towers run celebrates New York City's first responders

NEW YORK (WABC) -- Thousands of people took off Sunday morning for the 13th annual "Tunnel to Towers" run.

The event honors first responders of 9/11.

Runners were tracing the steps of firefighter Stephen Siller, who was killed while responding to the attacks.

They ran through the Brooklyn Battery Tunnel into Lower Manhattan.

Money raised from the event goes towards children who have lost parents, along with burn centers, the FDNY, and military veterans.

Organizers expected more than 30,000 people from around the world to participate in the 5-kilometer run and walk, which concluded near the World Trade Center.
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