Two hurdles world records fall within an hour in Zurich

Alison Dos Santos ran 45.80sec for the 400m hurdles at the Zurich Diamond League on 27 August 2026, taking 0.14 off Karsten Warholm's Tokyo Olympic record. Within the hour, Olympic champion Masai Russell clipped 0.03 from Tobi Amusan's 100m hurdles mark with 12.09sec. Each earned $80,000 before a 25,000 sell-out crowd.