>>725130779
Yes blacks tend to have more "fast twitch" muscles in their legs which is part of why you see a lot of them in stuff like basketball. But if you look at something like strongman competitions you'll see they tend to be white instead of black.
Blacks also tend to have a higher belly button (and thus higher center of gravity) than whites which also helps them with sprinting but makes them notoriously shitty at swimming: https://www.sbs.com.au/news/article/belly-buttons-key-to-success-in-sport/879rsn4ks