Kona resident Eisenberg breaks national freediving record

Shelby "Shell" Eisenberg
Shelby "Shell" Eisenberg broke the women's U.S. national record with a freedive of 85 meters at the Deja Blue International Competition in the Grand Cayman on Sunday. (Laura Babahekian/deaquavivo.com)

KAILUA-KONA — Imagine holding your breath for nearly three minutes, all while diving to ocean depths that force the body to battle increased lactic acid buildup, hypoxia and nearly nine atmospheres of pressure.