2016 AT&T WINTER NATIONAL CHAMPIONSHIPSDec 3, 2016
WATCH: Tom Shields Breaks American and US Open 100 Butterfly Records
WATCH: Tom Shields Breaks American and US Open 100 Butterfly Records
Tom Shields breaks the US Open and American record on the way to becoming the first person under forty four seconds in the hundred butterfly

Day Two of the 2016 AT&T Winter Nationals in Atlanta came with a surprise in the Men's 100 Butterfly. Tom Shields warmed up for a great 100 fly the day before by doing the 50 free final, butterfly and posting a quick time of 20.10.
Previous Records:
American Record - 44.10 by Austin Stabb
US Open Record - 44.01 by Joseph Schooling
New Records:
American Record - 43.84 by Tom Shields
US Open Record - 43.84 by Tom Shields
Tom Shields dipped under the 44 second barrier breaking both previous records with a 43.84. Next up for shields is Short Course World Championships in Windsor Canada and if this is any predictor for that meet you can expect something fast.
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