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.

England dismiss Pakistan for 110 to seize control of Lord's test
Raphinha, Fermin score as Barcelona beat Athletic in home opener
Celtic and Rangers to play cup match behind closed doors after pitch invasion
Chelsea and Fulham reach League Cup third round as Welbeck scores on debut
PSG to meet Barca, Man City as Champions League draw throws up marquee ties