Eliud Kipchoge, the legendary marathon runner from Kenya and multiple world record holder, joins Sifan Hassan, the versatile Olympic champion from the Netherlands, as they gear up for their NYC Marathon debuts. They share insights on their recent races, with Hassan fresh off a Sydney victory and Kipchoge, at 40, maintaining a positive outlook despite questions about retirement. FDNY Battalion Chief Dennis Sweeney also reflects on the community spirit in marathon running, especially as they honor first responders on 9/11's anniversary.