During a memorable evening at the Letzigrund Stadium, Alisson dos Santos broke the world record in the 400m hurdles, previously held by Karsten Warholm. The Brazilian crossed the finish line in 45.80 seconds, marking a turning point in the history of this discipline. Warholm finished second, while Ezekiel Nathaniel took third place. This performance is part of a series of impressive successes for Dos Santos, who had recently achieved the world’s best mark of the year.