Overview
- At the Weltklasse Zürich Diamond League meeting on Thursday, Alison dos Santos and Masai Russell each ran times reported as new world records in the 400m and 100m hurdles respectively.
- Dos Santos ran 45.80 over the 400m hurdles, beating Karsten Warholm’s Tokyo 2021 mark and improving his personal best by nearly half a second while Warholm finished second in 46.69.
- Russell clocked 12.09 in the 100m hurdles, shaving three hundredths off Tobi Amusan’s 2022 record with Amusan placing second in 12.23.
- Both athletes celebrated in Letzigrund and were reported to receive the meeting’s $80,000 world‑record prize, a reward that highlighted the Diamond League’s high stakes and the crowd’s charged atmosphere.
- The results reshape late‑season rivalries and rankings in both events and will follow the usual verification process by athletics authorities before being formally ratified.