Alison Dos Santos and Masai Russell each set new world records during the Diamond League meet in Zurich. Dos Santos achieved a time of 45.80 seconds in the men’s 400m hurdles, surpassing the previous record of 45.94 seconds set by Norway’s Karsten Warholm at the Tokyo Olympics. Russell set a new women’s 100m hurdles record with a time of 12.09 seconds, breaking the previous record of 12.12 seconds held by Nigeria’s Tobi Amusan from the 2022 Eugene world championships.
The event took place at Letzigrund Stadium, which hosted a sellout crowd of 25,000. World Athletics President Sebastian Coe commented on the excitement of the event, stating, "I expect the Olympic Games in two hours."
Dos Santos expressed confidence in his performance, noting, "I have been showing great form throughout the season – that I am fast, I am strong," while Warholm finished second in the race. Russell's achievement also earned her recognition as the Olympic champion.
In the pole vault, Armand “Mondo” Duplantis won with a height of 6.25 metres, facing competition from Greece’s Emmanouil Karalis, who achieved a personal best of 6.20 metres. Both athletes attempted a world record height of 6.32 metres during the competition.
In the women’s 800 metres, Swiss athlete Audrey Werro recorded the third-fastest time ever at 1:53.70, nearing the world record set by Jarmila Kratochvilova in 1983. Kenyan Emmanuel Wanyonyi won the men’s 800 metres with a time of 1:41.76, just ahead of Algeria’s Djamel Sedjati.
In other events, US Olympic champion Cole Hocker won the men’s 1,500 metres, Anna Cockrell set a new meet record in the women’s 400-metre hurdles, and Parker Wolfe broke the meet record in the men’s 3,000 metres. Kenny Bednarek led the men’s 200 metres with a world-leading time of 19.62 seconds, while Nicola Olyslagers won the women’s high jump with a season-best of 2.02 metres.