Dos Santos reclaims world-leading 400m hurdles time with 46.48 at Brazilian Championships

Alison dos Santos ran 46.48 at the Brazilian Championships in São Paulo in July 2026, a championship record that reclaimed the year's fastest 400m hurdles time from Karsten Warholm. The Norwegian had briefly held the world lead after winning in London. Dos Santos has beaten Warholm three times head-to-head in 2026, narrowing the career record from 13-4 to 13-7.