Bizarre story here:
https://www.dyestat.com/gprofile.php?mgroup_id=44531&do=news&news_id=614673
She felt exhausted after the race and was confused that the time didn't match her perceived effort level.
Apparently, they started at the wrong starting lines for lanes 2-6, giving each runner to the outside extra distance.
Willis has a fast 400m lined up before she backs off in prep for a run at the Trials standard in May