The 5th annual Tunnel to Towers Run & Walk honors the heroic life and death of Stephen Siller, the firefighter who ran through the Brooklyn Battery Tunnel to the Twin Towers on 9/11. The event brings the community together to honor first responders, remember 9/11, and support those who make extraordinary sacrifices. Participate by rucking with firefighter turnout gear or military backpacks, mirroring Siller's actions.