Flashback Friday: Are racehorses still evolving to get faster?

You might think that after centuries of breeding, racehorses have reached their peak speeds. And previous studies supported that. But not this one! According to this study, which used “a much larger dataset covering the full range of race distances and accounting for variation in factors such as ground softness,” racehorses have gotten faster over the past 150 years or so, an improvement evident even in the past 15 years. Holy Secretariat!

Racehorses are getting faster.

“Previous studi

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