![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
![Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2017/02/Screenshot-1078-e1488083484293-400x225.png)
Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com
![Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2017/02/Screenshot-1086-e1488083452294.png)
Kenyan Sarah Chepchirchir Announces Herself As a Marathon Star, Wins 2017 Tokyo Marathon in 2:19:47; American Sara Hall Runs Big PR of 2:28:26 - LetsRun.com
![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)