Ethiopia's Gudaf Tsegay breaks women's 1,500m indoor world record

From left: US athlete Jennifer Simpson, Netherlands' Sifan Hassan, Britain's Laura Muir, Ethiopia's Gudaf Tsegay compete in the qualifying round of the women's 1500m athletics event at the 2017 IAAF World Championships at the London Stadium in London on August 4, 2017. 

What you need to know:

  • Ethiopian Tsegay beat by more than two seconds the previous record set by her compatriot Genzebe Dibaba in Karlsruhe in 2015.

Liévin, France 


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