Women's marathon world record-holder Ruth Chepngetich was provisionally suspended for a positive doping test on Thursday. Track and field's Athletics Integrity Unit said Chepngetich tested positive for a banned diuretic and masking agent in March and "opted for a voluntary provisional suspension while the AIU's investigation was ongoing.

Ruth Chepngetich, who set the women's world record at the Chicago marathon in 2024, has been provisionally suspended for a positive doping test. Suzanne Le Mignot reports.

Women’s marathon world record holder Ruth Chepngetich has been provisionally suspended by AIU after testing positive for a banned substance