# Olympic marathon champion Jepchirchir fails doping test

World and Olympic marathon champion Peres Jepchirchir has reportedly returned an adverse analytical finding in a drugs test, according to BBC Sport. A confirmed doping case against one of distance running's biggest names would be a major blow to Kenyan athletics, which has faced a string of high-profile doping scandals in recent years. Details of the substance and any provisional suspension have not been fully established.

**Importance:** 4/5

## Sources

### Sports
- [BBC Sport](https://www.bbc.co.uk/sport/olympics/articles/cwz0vn1yk235o?at_medium=RSS&at_campaign=rss) — Fri, 23 Oct 2026 12:01:20 GMT

### World
- [Al Jazeera](https://www.aljazeera.com/sports/2026/10/23/kenyas-marathon-champion-peres-jepchirchir-provisionally-banned-by-aiu?traffic_source=rss) — Fri, 23 Oct 2026 13:45:21 +0000