Brazil's Alison dos Santos smashed the 400m hurdles world file in an astonishing night time of motion on the Zurich Diamond League assembly.
The 26-year-old has been in glorious kind this season, undefeated within the occasion, however there was little to counsel that Karsten Warholm's 2021 mark of 45.94 seconds was underneath risk.
However, with Warholm a distant second, Tokyo 2025 silver medallist Dos Santos cantered off the ultimate hurdle and pushed via to clock 45.80 seconds.
His earlier private greatest stood at 46.29 and was set 4 years in the past.
Simply 75 minutes later, one other world file fell in entrance of the 25,000-strong capability crowd
Masai Russell, the Olympic champion, capturing the 100m hurdles mark was much less shocking, contemplating the American has completed inside a tenth of a second of Tobi Amusan's 12.12-second landmark 5 instances prior to now two seasons.
The 26-year-old celebrated her 12.09 clocking with a finger to her lips as the group erupted. Identical to Warholm, Amusan had a chief view of her file being damaged, ending second.
Each Dos Santos and Russell's instances auger nicely for a night during which Switzerland's Audrey Werro is primed for a shot on the 43-year-old girls's 800m file, whereas competitors from Greece's Emmanouil Karalis might push Armand 'Mondo' Duplantis in the direction of his personal pole vault mark.
Amy Hunt, winner of 4 golds on the European Championships earlier this month, discovered issues harder in opposition to among the world's most interesting 100m runners.
Left within the blocks, the Briton needed to watch on as Olympic champion Julian Alfred inflicted Melissa Jefferson-Picket's first defeat over the space in two years, edging out the American in a photograph end.
David Rudisha's 800m world file of 1 minute 40.91 seconds, set en path to gold at London 2012, additionally survived unscathed as his Kenyan compatriot Emmanuel Wanyonyi got here house in a single minute 41.76 seconds.
