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The Boston Globe

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Friends and mentors: Ayan and Cathy

DANVERS — Ayan Kassim popped her head up from beneath the clear pool water. She adjusted her goggles and flashed a big smile at her friend and mentor, Cathy Tobyne.

“Going under is good,” Tobyne said. “You were pushing with your arms and your feet. That was a long time holding your breath.”

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