Kilian Jornet to Undergo Knee Surgery, Withdraws from UTMB — image accompanying Marathon Handbook's report. Image accompanying Marathon Handbook’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Kilian Jornet, a four-time UTMB winner, announced he will undergo knee surgery and miss the upcoming race. He has been managing knee pain for three years, likely stemming from a meniscus tear.
Jornet revealed his injury details on Substack, mentioning a horizontal rupture in the meniscus and cartilage damage on the patella. The pain worsens during flat running but eases uphill. Read more culture coverage.
The decision to have surgery follows months of managing the injury with physiotherapy. Jornet's absence adds to the list of notable withdrawals from this year's UTMB. Related: Stirling Half Marathon Returns in 2027 After 5-Year Hiatus.
This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.
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Questions about this report
What should runners know about Kilian Jornet to Undergo Knee Surgery, Withdraws from UTMB?
Jornet cites persistent knee issues, including meniscus and cartilage damage, as reasons for surgery. Kilian Jornet, a four-time UTMB winner, announced he will undergo knee surgery and miss the upcoming race. He has been managing knee pain for three years, likely stemming from a meniscus tear.
When did Runner World publish this culture brief?
Runner World published this brief on August 20, 2026. The underlying Marathon Handbook report was dated August 20, 2026.
Where can readers find the complete original report?
This summary is based on reporting from Marathon Handbook. The attributed source link in the article leads to the publisher’s complete report.
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