Doping in distance running
Anti-doping cases and investigations involving elite distance runners. Every Running Weekly story on doping in distance running, newest first. 10 stories since September 2026.
- Almgren says he thinks he can run 2:01 eventually
The world half marathon champion has not finished a marathon yet, and he is already talking about the second-fastest time in history.
- Jepchirchir provisionally suspended after EPO finding
The sample was collected out of competition in Kenya before the Sydney Marathon, the Athletics Integrity Unit says.
- Jepchirchir's agent says testers waited two hours at her door
The new detail in the EPO case is how the sample got collected in the first place.
- Tokyo champion Ruti Aga banned six years for forged prescription
Two years for the drug, four more for the document she handed the investigators.
- Kosgei and Kiplimo take 25 surprise doping tests a year
The two Chicago headliners signed up for roughly four times the testing a normal marathon pool athlete gets, with Nike and their agency paying the bill.
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- AIU bans 2:04 marathoner Kimaiyo two years for a diuretic
He told the AIU he took painkillers belonging to his wife and did not know what chlortalidone was.
- AIU provisionally suspends Samba-Mayela and Rajabov
Two separate cases posted by the AIU, one for missed-test paperwork and one listing three substances.
- Ruti Aga suspended after 22 marathons and 15 podiums
The numbers behind the provisional suspension, plus the 2026 Sydney Marathon winner who says she got him into running.
- Gabby Thomas calls herself an "equal opportunity doping hater"
The Olympic 200m champion named nobody, but said speaking up last year cost her phone calls and comments behind her back.
- AIU suspends 26:39 10K man Kibet, bans 2:18 marathoner Mesfin
Two road racers near the top of the sport, one case still open and one closed with an admission.
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