McLaughlin-Levrone throws down gauntlet to Kipyegon in race to be greatest

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American is targeting the 40-year 400m world record
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Kipyegon is first woman to win four 1500m world titles
First Tokyo witnessed the spectacular. Then came a divine act of Faith.
In the women’s 400m, Sydney McLaughlin-Levrone ran one of the fastest times in history, easing down, to raise the question of whether one of the oldest – and most controversial – track and field records might fall this week.