Canadian sprinter's world record not ratified, due to starti

Canadian sprinter's world record not ratified, due to starting block issue

Christopher Morales Williams's 400m indoor world record of 44.49 seconds will not stand

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University Of Georgia , Georgia , United States , Arkansas , University Of Arkansas , Travis Miller , Morales Williams , Michael Norman , Christopher Morales Williams , Kerron Clement , Cross Country Coaches Association , Randal Tyson Track Centre , Randal Tyson Track , World Athletics Technical Rules , Matthew Downs , Indoor Championships , Field Championships ,