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Liu Hong of China broke the world record* in the 50km race walk on Saturday (9), clocking 3:59:15 at the Chinese Race Walk Grand Prix in Huangshan to become the first woman to break the 4-hour barrier in the event.
Lui, the 2016 Olympic champion over 20km, clipped more the five minutes from the previous record of 4:04:36 set by China's Liang Rui in Taicang last year.
Liu also holds the world record in the 20km event, clocking 1:24:38 in La Coruna, Spain in 2015.
Bob Ramsak for the IAAF