| “The IAAF can confirm that an anti-doping rule violation case 
				concerning Jemima Sumgong (Kenya) has commenced this week, the 
				International Association of Athletics Federations said in a 
				statement.
 "The athlete tested positive for EPO (Erythropoietin) following 
				a no-notice test conducted by the IAAF in Kenya.
 
 "This was part of an enhanced IAAF out-of-competition testing 
				program dedicated to elite marathon runners which is supported 
				by the Abbott World Marathon Majors group."
 
 If Sumgong's B sample is confirmed as positive and she is 
				subsequently banned it will be a massive blow for African 
				distance powerhouse Kenya, where her Rio victory was greeted 
				with near-delirium after such a long and inexplicable barren 
				spell over the classic distance at the Olympics.
 
 Kenya took silver in the women's marathon at the three previous 
				Games and a bronze in 2000 having failed to medal before that 
				after the race was introduced to the Games in 1984.
 
 Sumgong, 32, had a stellar 2016, winning the London Marathon in 
				April then claiming the elusive Olympic gold in Rio despite 
				being disturbed by a protester on the course.
 
 Sumgong's former compatriot Eunice Jepkirui, who switched 
				allegiance to Bahrain in 2013, took silver.
 
 Eliud Kipchoge won the men's race to complete a Kenyan double.
 
 Thursday's news comes in the wake of a four-year ban handed to 
				Kenya's multi-marathon champion Rita Jeptoo, Sumgong's former 
				training partner, after she tested positive for EPO in 2014.
 
 Kenya's middle and long distance success has been marred by 
				doping cases involving elite athletes. Officials estimate the 
				number of positive tests at about 50 in the past four years.
 
 The latest cases will be seen by observers as evidence of how 
				the IAAF is making progress in the region after previous 
				official criticism of anti-doping regimes in Kenya and Ethiopia.
 
 Both countries have in the past been deemed non-compliant with 
				the World Anti-Doping Agency's (WADA) code.
 
 (Reporting by Mitch Phillips; Editing by Ken Ferris)
 
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