NEW YORK (CBS 2) — Central Park hosted 25,000 people Sunday for what has become an annual tradition in the Big Apple.

The Susan G. Komen Race For The Cure kicked off at 9 a.m. at 77th Street and Central Park West.

Survivors and supporters headed uptown to 90th Street, and were then to turn into Central Park where they were to race past the Great Lawn, Strawberry Fields and the Wollman Rink.

Runners crossed the finish line around 72nd Street on the East Side.

Nancy Brinker founded the Race as a promise to her dying sister. It started in 1983 with only one race and 800 people in Dallas, and since grew into the world’s largest grassroots network of breast cancer survivors and activists fighting to save lives.

Now the Race For The Cure conducts over 120 races with 1.5 million participants on four continents.

For the past 20 years, this was the largest fundraiser of the year for Komen Greater NYC.

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