Kenya's Ruth Chepngetich poses with her gold medal during the medal ceremony for the women's marathon at the World Athletics Championships in Doha, Qatar, Sept. 28, 2019.

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 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 a

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