More than 50,000 runners will make their way through a 26.2-mile race across all five boroughs Sunday.

Some are running for the very first time, while others are veterans of the course.

What You Need To Know

Karen Bdera's love for running dates back to 1984 when she spotted a sign on an MTA bus that said "Who says women can't run the world"

Her first race was the 1984 women's 10K through Central Park. This marathon will be her 715th race

She made many friends along the way, but one in particular stands out for introducing her to her now-husband of 36 years

“The sense of accomplishment when you get to that finish line is just very empowering,” Karen Bdera said.

Bdera would know. She’s completed 24 New York City marathons and has the medals to show for it.

“The whole borough of Brook

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