The New York City Marathon charts a 26.2 mile course throughout all five boroughs today. Here's a look at the route maps.

As the race continues, the challenges increase with inclines on First Ave into The Bronx and the rolling hills of Central Park in the final miles, making New York a yo-yo of easy and hard miles. This relentless design isn’t all that slows runners down.

The New York City Marathon is barreling toward the Big Apple once again, with just days to go before more than 50,000 runners fill the streets on their