Russell and Dos Santos Break World Records in Zurich — image accompanying The Guardian Athletics's report. Photograph: Claudio Thoma/EPA; reduced and presented for news commentary with the attributed report. View the complete source report.
Alison Dos Santos of Brazil and Masai Russell of the USA set new world records in the 400m and 100m hurdles, respectively, during a thrilling night in Zurich. Dos Santos clocked 45.80 seconds, surpassing Karsten Warholm's previous record. Russell timed 12.09 seconds, beating Tobi Amusan's previous record.
The event also featured a historic pole vault competition where Mondo Duplantis and Emmanouil Karalis both surpassed the 6.20m mark for the first time in history. Duplantis ultimately cleared 6.25m for victory. In the women's 800m, Audrey Werro came within 0.42 seconds of the world record. Read more racing coverage.
Kenya's Emmanuel Wanyonyi won the men's 800m, narrowly missing David Rudisha's world record. The night was marked by outstanding performances and record-breaking achievements, showcasing the high level of competition among the athletes. Related: Masai Russell sets new 100m hurdles world record in Zurich.
This original Runner World brief is based on reporting from The Guardian Athletics. Visit the source for its complete reporting, context and any later corrections.
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What should runners know about Russell and Dos Santos Break World Records in Zurich?
Russell and Dos Santos set new world records in hurdles, Duplantis wins pole vault Alison Dos Santos of Brazil and Masai Russell of the USA set new world records in the 400m and 100m hurdles, respectively, during a thrilling night in Zurich. Dos Santos clocked 45.80 seconds, surpassing Karsten Warholm's previous record. Russell timed 12.09 seconds, beating Tobi Amusan's previous record.
When did Runner World publish this racing brief?
Runner World published this brief on August 27, 2026. The underlying The Guardian Athletics report was dated August 27, 2026.
Where can readers find the complete original report?
This summary is based on reporting from The Guardian Athletics. The attributed source link in the article leads to the publisher’s complete report.
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