![Former Tokyo Marathon winner Sarah Chepchirchir, has been officially banned because of abnormalities in her athlete biological passport, which is usually evidence of abusing erythropoietin Former Tokyo Marathon winner Sarah Chepchirchir, has been officially banned because of abnormalities in her athlete biological passport, which is usually evidence of abusing erythropoietin](https://mybestruns.com/street/3d63ab1663535337164465fbd588d98419daba0deda2dfd32394476ddb8fa788.jpg)
Former Tokyo Marathon winner Sarah Chepchirchir, has been officially banned because of abnormalities in her athlete biological passport, which is usually evidence of abusing erythropoietin
![ANOTHER HIGH-PROFILE KENYAN ATHLETE HAS FAILED A DOPING TEST, AFTER SUMGONG WAS TAKEN FOR DOPING. – ANTI-DOPING WORLD ANOTHER HIGH-PROFILE KENYAN ATHLETE HAS FAILED A DOPING TEST, AFTER SUMGONG WAS TAKEN FOR DOPING. – ANTI-DOPING WORLD](https://antidopingworld.files.wordpress.com/2018/06/img_9573.jpg?w=350&h=200&crop=1)
ANOTHER HIGH-PROFILE KENYAN ATHLETE HAS FAILED A DOPING TEST, AFTER SUMGONG WAS TAKEN FOR DOPING. – ANTI-DOPING WORLD
![My Trip to a Possible Doping Camp in Kenya: What I Saw When I Spent a Day with Olympic Champion Jemima Sumgong - LetsRun.com My Trip to a Possible Doping Camp in Kenya: What I Saw When I Spent a Day with Olympic Champion Jemima Sumgong - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2017/04/GS5C0017-e1492091410923.jpg)
My Trip to a Possible Doping Camp in Kenya: What I Saw When I Spent a Day with Olympic Champion Jemima Sumgong - LetsRun.com
![My Trip to a Possible Doping Camp in Kenya: What I Saw When I Spent a Day with Olympic Champion Jemima Sumgong - LetsRun.com My Trip to a Possible Doping Camp in Kenya: What I Saw When I Spent a Day with Olympic Champion Jemima Sumgong - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2017/04/GS5C9817.jpg)