Sydney Mclaughlin Us Olympic Trials. Sydney mclaughlin set a new women's 400m hurdles world record with a time of 51.90 seconds in the final of the us olympic athletics trials in oregon, which was. All times listed are local eugene, oregon, pacific.

American athlete sydney mclaughlin obliterated the women’s 400m hurdles world record at the us olympic trials on sunday. Sydney mclaughlin set a new women’s 400m hurdles world record with a time of 51.90 seconds in the final of the us olympic athletics trials in oregon, which was affected by a heatwave.