KANSAS City, Mo. - Thousands of people will lace up their sneakers this weekend for the annual Trolley Run.
For 25 years, the annual run has drawn thousands of racing ethusiasts. And this year, runner will hit the pavement for the largest four-mile run in the country.
But the Trolley Run isn't only about athleticism and competition. It's also a very important fundraiser for visually impaired children in the Kansas City metro area.
FOX 4 meteorologist Karli Ritter has a preview.