North Berwick-native Mandy Sumner swam about 246 feet under the Norwegian ice.
More than 3,000 miles away in Norway, North Berwick-native Mandy Sumner broke the world's longest swim under ice, which was 75 meters. Credit: Courtesy of Mandy Sumner / CBS 13

A Maine woman has set a new world record.

More than 3,000 miles away in Norway, North Berwick-native Mandy Sumner attempted the world’s longest swim under ice, which was 75 meters.

Sumner is a professional freediver who once swam for Sanford.

She was successful in her world attempt of swimming 75 meters under ice, which is about 246 feet.

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