True. Likewise, there is a big difference between 2:18 and 2:15 for a woman in the marathon.
True, but does anyone really think that 3:50 shape Genzebe was only good for 1:59? HS girls have run that fast. Watch the 2015 WC final where she closes in 1:57.3
Well, she had a "running start" in that race... ;)
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