Closing in on the 55.42s set in LA 1984, Vithya equals it in 400m hurdles heats
HANGZHOU: The figure of 55.42s has remained a magical number for India's top women's 400m hurdlers for nearly four decades, ever since 'Payyoli Express' PT Usha clocked it en route to her historic fourthplace finish in the Los Angeles Games final in 1984.