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SwimMAC Carolina head coach David Marsh follows an unconventional training path that could help change the sport of swimming.
A half-century of tradition has had swimmers in the pool by 5Â a.m. to swim hundreds of laps daily.
But Marsh doesn’t think it’s important to spend hours in the pool each day, amassing laps.
He’s among a coaching vanguard who believe athletes benefit by swimming fewer laps at a faster pace. Intensity matters.



