### [2026-08-27](/feed/2026/08/27/index.md)

##### 2026 Diamond League
# Brazilian Alison dos Santos and American Masai Russell breaks the world records in men's 400 metres (45.80 seconds) and women's 100 metres hurdles (12.09 seconds), respectively, at the 2026 Weltklasse Zürich in Zurich, Switzerland. 




### Sources:

1. [Reuters](https://www.reuters.com/sports/brazils-dos-santos-races-world-record-400m-hurdles-zurich-2026-08-27/)

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