By Matt Leon

PHILADELPHIA (CBS)–The Philadelphia Marathon is this weekend and runners from all over will take part, including a 17-year-old student from Perkiomen Valley High School, who is quite the inspiration.

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Kinzey Lynch was born legally blind, but that hasn’t stopped him from taking up any number of activities.

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He says he used to wrestle but then switched to competitive distance running around 8th grade. He runs with the aid of a sighted guide, and while many find what he does remarkable, he takes it in stride:

“It’s just what I do. I’m just running like everyone else is, I just happen to have a visual impairment. I don’t like to think of myself as any different than any other competitor in that respect, and that goes with any aspect of life. I like to think of myself as a normal 17-year old high school student that just happens to have a visual impairment. I don’t like to let that define who I am.”

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Lynch says his goal for the marathon is to finish in about 3 hours and thirty minutes.