What it's like to walk from the top of Manhattan to the bottom

I walked from end-to-end of Manhattan and a cardiologist said the heart health benefits were similar to running a half-marathon..

Allana Akhtar/Insider I walked from the top to the bottom of Manhattan in 8 hours, checking an item off my bucket list..

Here's what it was like to walk from the top to the bottom of Manhattan, along with Singh's tips to get the most benefit for your ticker out of a long walk...

Singh said people interested in long endurance activities like walking and running need to protect their feet, since discomfort can cause you to get burned out quickly on the trip..

Had we walked a straight line from Inwood Park to Battery Park, the route would have been 13 miles, according to Google Maps, but we took some winding routes to explore the city..