2017 Tokyo Marathon champion receives 8-year doping ban

Sarah Chepchirchir of Kenya, who did not defend herself or respond to the charges, will be ineligible to compete until December 2031

Kenya’s Daniel Wanjiru banned following doping violations

The former London Marathon champion won’t be allowed to compete again until December 2023

WADA to fund anti-doping project piloting artificial intelligence

Canada and Germany will begin testing AI as a new aspect of anti-doping efforts