Jonah Koech banned for three years for blood doping — image accompanying Canadian Running's report. Image accompanying Canadian Running’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Jonah Koech, the 2025 U.S. 1,500m champion, faces a three-year ban for blood doping. The U.S. Anti-Doping Agency found his blood values consistent with doping. Koech accepted the suspension, reducing it by one year.
Koech’s results from July 30, 2025, onward have been disqualified. This includes his national title and 13th-place finish at the 2025 World Championships. Ethan Strand now holds the national title, with Cole Hocker and Hobbs Kessler moving up. Read more culture coverage.
The Athlete Biological Passport detected abnormal changes in Koech’s blood profile. This system monitors biological markers over time, identifying potential doping. Koech’s disqualification affects his legacy and the rankings of other runners. Related: Fayetteville-Manlius Parts With Bill Aris, Most Decorated High School Coach.
This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.
Reader questions
Questions about this report
What should runners know about Jonah Koech banned for three years for blood doping?
Former U.S. 1,500m champion Jonah Koech suspended after ABP flagged blood values. Jonah Koech, the 2025 U.S. 1,500m champion, faces a three-year ban for blood doping. The U.S. Anti-Doping Agency found his blood values consistent with doping. Koech accepted the suspension, reducing it by one year.
When did Runner World publish this culture brief?
Runner World published this brief on August 11, 2026. The underlying Canadian Running report was dated August 10, 2026.
Where can readers find the complete original report?
This summary is based on reporting from Canadian Running. The attributed source link in the article leads to the publisher’s complete report.
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