FILE – In this Sunday, Aug. 14, 2016 file photo, Jemima Jelagat Sumgong of Kenya celebrates after winning the gold medal in the women’s marathon at the 2016 Summer Olympics in Rio de Janeiro, Brazil. Olympic marathon champion Jemima Sumgong tested positive for the blood booster EPO in a surprise test in Kenya, the IAAF said Friday, April 7, 2017, another damaging blow to the credibility of the East African country’s famed distance-running program. (AP/RSS Photo/Felipe Dana, File)