Kenyan Runner Sets New M50 Half-Marathon World Record — 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.
Mark Kosgei Kiptoo, a veteran Kenyan runner, won the 2026 San Sebastián Half Marathon. He set a new M50 world record with a time of 1:03:57. Kiptoo's performance surpassed the previous record by more than two minutes.
Kiptoo's achievement follows his earlier win in March at the Azkoitia-Azpeitia Half Marathon. His latest victory highlights his continued excellence in masters running. Kiptoo began his career in track events before transitioning to road races. Read more racing coverage.
Kiptoo's running career spans over two decades. He has represented Kenya in various international competitions. His latest record-breaking run underscores the potential for elite performance at any age. Related: Jepkosgei sets new Cardiff Half Marathon record.
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 Kenyan Runner Sets New M50 Half-Marathon World Record?
Mark Kosgei Kiptoo finishes in 1:03:57, breaking the previous record by over two minutes. Mark Kosgei Kiptoo, a veteran Kenyan runner, won the 2026 San Sebastián Half Marathon. He set a new M50 world record with a time of 1:03:57. Kiptoo's performance surpassed the previous record by more than two minutes.
When did Runner World publish this racing brief?
Runner World published this brief on October 5, 2026. The underlying Canadian Running report was dated October 5, 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.
THE WEEKLY BRIEFING
Start the week a step ahead.
A concise edit of the running stories worth knowing, sent every Monday.
