Ruth Chepngetich’s Chicago Marathon World Record Under Scrutiny Amid Doping Ban Investigation Ruth Chepngetich gets banned by AIU after failing her doping test, as questions are being asked about the

Just about a year ago, in October 2024, in Chicago, clocking a record time of 2:09:56, Ruth Chepngetich shattered the women’s World record in the Chicago Marathon. But in less than a year, that world record was put to the question. In July 2025, she tested positive for Hydrochlorothiazide, which is one of the many banned substances. Following such a result, Chepngetich was put under a provisional suspension by the Athletics Integrity Unit. However, that was just the beginning.

Hydrochlorothiazide is considered to be a substance that is generally used to hide the use of a few banned drugs. While the safe limit for the same is fixed at 20 ng/mL by AIU, they found 3800 ng/mL in Ruth Chepngetich’s samples. But this update has just taken a new turn this morning. Ruth Chepngetich has been ban