USA's Masai Russell and Brazil's Alison Dos Santos each broke world records in the hurdles during a frenetic Diamond League night at Zurich's Letzigrund Stadium, where Mondo Duplantis won a historic pole vault.
Key facts
- Masai Russell of the USA set a world record in the hurdles.
- Alison Dos Santos of Brazil also set a world record in the hurdles.
- Mondo Duplantis won a historic pole vault on the night.
- Audrey Werro came within 0.42sec of the 800m world record.
- Kenny Bednarek and Emmanuel Wanyonyi clocked world-leading times.
Two world records fell in a single night of track and field in Zurich, as the USA’s Masai Russell and Brazil’s Alison Dos Santos each produced record-breaking runs in the hurdles at the Letzigrund Stadium, according to the Guardian.
The performances came on what the Guardian described as a ‘crazy’ and frenetic Thursday night, staged in front of a raucous sell-out crowd of 25,000. Still, balmy weather conditions at the venue were credited with helping the athletes considerably.
Russell set a world record in her hurdles event, while Dos Santos matched the feat in his, making the meeting one of the standout nights of the athletics calendar.
Beyond the two records, Sweden’s Mondo Duplantis won what the Guardian called a historic pole vault, adding to a night packed with elite performances.
There were further strong marks across the programme. Audrey Werro came within 0.42 seconds of the 800m world record, while Kenny Bednarek and Emmanuel Wanyonyi both clocked world-leading times, according to the Guardian.
The combination of ideal conditions, a full stadium and a deep field of top athletes produced one of the most memorable Diamond League meetings, with multiple headline results emerging from the single evening in Zurich.
Why it matters
World records are the rarest achievements in athletics, and having two set on the same night is a significant moment for the sport. The performances underline the growing competitiveness of the Diamond League and the appeal of major track meetings for fans worldwide.
Frequently asked questions
Who broke world records in Zurich?
According to the Guardian, Masai Russell of the USA and Alison Dos Santos of Brazil each set a world record in the hurdles.
Did Mondo Duplantis compete?
Yes. The Guardian reported that Mondo Duplantis won a historic pole vault on the same night in Zurich.
What other notable performances took place?
Audrey Werro came within 0.42 seconds of the 800m world record, and Kenny Bednarek and Emmanuel Wanyonyi both clocked world-leading times, according to the Guardian.

