sports
USA's Russell and Brazil's Dos Santos smash world records on 'crazy' night in Zurich
Masai Russell and Alison Dos Santos each set a world record while Mondo Duplantis won a historic pole vault on a frenetic Thursday night in Zurich.

TL;DR
- Alison Dos Santos set a new world record in the 400m hurdles with a time of 45.80 seconds.
- Masai Russell broke the 100m hurdles world record, clocking 12.09 seconds.
- Mondo Duplantis won the pole vault with a clearance of 6.25m, while Emmanouil Karalis achieved a personal best of 6.20m.
- Audrey Werro ran the third-fastest women's 800m in history with a time of 1:53.70.
- Emmanuel Wanyonyi won the men's 800m with a world-leading time of 1:41.76.