At 4.12 seconds, Christian Coleman's 40 yard dash beats Bo Jackson's claimed 4.13 seconds. But could he break 4 seconds? Coleman takes 20 steps to finish his 40 yard run. In this video, you'll see, and read, how the leaks in energy storage may be lengthening his ground contact time, which may be slowing him down.
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AuthorGreg Dea Archives
February 2019
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