Women’s marathon world record-holder Ruth Chepng'etich has been banned for three years after admitting a doping violation, track and field’s Athletics Integrity Unit said Thursday.

The backstory:

The AIU said Chepng'etich admitted anti-doping rule violations over the presence and use of the banned diuretic hydrochlorothiazide, or HCTZ, which can be used to disguise the use of performance-enhancing drugs. She had been suspended in July .

The AIU also said Chepng’etich had accepted the charges and sanction following a positive test for the banned diuretic from a March 14 sample.

The 31-year-old Kenyan runner broke the world record by almost two minutes at the Chicago Marathon last year, clocking 2 hours, 9 minutes, 56 seconds.

All Chepng'etich’s achievements and records before the Mar

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