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Rounding the Bases Faster, With Math
An anonymous reader writes "The fastest route around the bases, mathematicians show, is one that perhaps no major-league ball player has ever run: It swings out a full 18.5 feet from the baseline, nearly forming a full circle. 'I would definitely experiment with it,' says former American Major League Baseball outfielder Doug Glanville, who last played with the Philadelphia Phillies. 'There's no question in my mind that runners could be more efficient.'"
As far as I can tell, this path makes sense if and only if you're trying to run from home to home. If you're going for a single, or a double, or a triple, you'd have different ideal path.
As the article notes, the authors are aware of this. They also are aware of the fact that runners seldom adjust to more efficient paths even when they know they've hit doubles, not singles. This was, in fact, the motivation for the study.
I think you're confusing their point: they're quite clear that they don't think that this helps in reality (at least, not much). It's an exercise in "I wonder..."