Nine months after smashing the women's marathon world record, Ruth Chepngetich was provisionally suspended from the sport following a positive doping test that casts doubt on her 2024 Chicago Marathon run.

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

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.