Swimming is a hard sport but Christina Lang makes it look easy–even with one leg.

Set to start her senior year at Dunedin high school in Florida, she competed in YMCA national meets over the summer and either broke or set records in four different events.

"In each race, spectators are in awe at what the 17-year-old can do," reports WTSP news.

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She's done a lot of things, like rock climbing, that even able-bodied people would find difficult, since losing her leg as a toddler to disease.

(WATCH the video below or READ the story from WTSP) – Story tip from Rae Hunt