Brigid Kosgei has shattered the women's marathon world record.
The Kenyan defended her Chicago title by running a time of two hours 14 minutes and four seconds.
The feat easily eclipses Paula Radcliffe's previous record, which she set back in 2003.
Ethiopa's Ababel Yeshaneh came second, a massive six minutes and 47 seconds behind Kosgei.

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