NCAP's Janet Hu, Robyn Dryer, Kristina Li and Olympic gold medalist Katie Ledecky took down the 15-16 U.S. National Age Group record with a sizzling time of 7:16.04. That effort cut two seconds off the 2010 record set by NBAC's Camryne Morris, Natalie Beale, Kelly Offutt and Kendall Surhoff.
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