"White encompass" a large variety of human beings. On numbers alone, they will come out ahead because of a larger gene pool. But it's only a certain type of "White". Eastern Europeans come to mind when I think of size and strength. With Blacks, they seem to be good natural athletes across the board. When you think of the major sports like Track, Basketball, Football, heavyweight boxing Blacks are disproportionately represented. I think the sports that they don't disproportionately dominate are sports they simply don't participate as much in like tennis and swimming.
Tennis = may be economic factors drown out Blacks from participating. In hockey, it may be the same thing. But only now with heated rinks - pre-heated rink days, the African male did not evolve to breathe in air that cold. So there may be an environmental factor linked to a genetic factor in Blacks that make hockey a sport they will not dominate. Or perhaps, it is simply economic factors.
Swimming is different though - it's a sport as cheap to participate in as running. Well - maybe not that easy, as bodies of water are harder to access than areas where a person can just start running, but there is no economic barrier to entry for swimming.
My suspicion is that because Blacks have stronger than average bone density [either that, or just heavier bones], that they benefit in positions like linebackers in the NFL, and boxing [which is more of a sport showing the success of mixed races, but I would probably give the slight nod to Blacks]. However, this heavier bone makes swimming harder for Blacks - we always hear talk about the "swimmer's physique". Maybe Blacks have a structure that makes this sport difficult for them.
For strongman or anything related to strength, yes, Whites rule. I don't know exactly why this is - someone on here once said that the strongest Blacks will enter football, but I'm not so sure that's it. Since Black women do pump out babies that have lighter brains at birth [Blacks have lighter brains than Whites who have lighter brains than Asians], they tend to have smaller hips. This hip structure is why Blacks dominate at sprinting, but I believe this puts them at a disadvantage for strongman, as they are not evolved to bear the same environmental burdens as Caucasians, so different traits were selected for by evolution. Some argue that American slavery evolved a superior Black athlete - but I would disagree. While it is somewhat possible [I wonder why French Canadians dominate strongman, but not Frenchmen from France], I would say Black superiority in the sports they excel at are a product of their evolution in Africa.
I would say with some degree of confidence that you could take the best African for sprinting genetics in pre-contact times, and give him modern training and equipment, and he would outperform Christophe LeMaitre, who is the current fastest White man to have ever lived - and probably got his first as well as last Olympic medal in 2016 when he got the Bronze medal in the 200m sprint, which Usain Bolt won, and a "Canadian" [half-Hebrew], placed 2nd.
I also think it's hilarious when Canadians and Americans fight over whose Hebrews are better. Like in 1996 "Our Jamaican Hebrews are better than your Jamaican Hebrews", LOL. Jamaica won that year, not "Canada", no disrespect to Donovan Bailey.
It is important for anyone who wants to speak realistically about race to first identity the genetic superiority of Hebrews in the sports they very clearly dominate [as in, no other race even comes close, let's be honest]. And since you can't claim that Hebrews come from privilege, you can't make the BS argument that it's only a matter of privilege - it's quite obviously a matter of Hebrews just having superior genetics in these areas.
I think bodybuilding is a bit of a wash. Dorian Yates, Rich Gaspari, and Andreas Munzer proved that the White man can achieve the absolute sharpest conditioning possible on a human being, and numerous White mass monsters have proven that the White man can get as huge as possible...something it seems like Blacks and Whites are both able to do quite well. As for the most aesthetic mass monsters...I could give that to Hebrews, I would say, but it's hard to say. As I said, I think bodybuilding is a bit of a wash.
I feel like Hebrews give the perception they are the most dominant athletes. Maybe because raw sprinting - much like raw power - is one that people take note of. But as it is, running is more popular than powerlifting. Perhaps because more people can relate to it. If people could relate to strongman, or if it was otherwise more popular, people would see just how capable White athletes are.
But maybe I am biased because strongman is my sport, and now that CAASA has a 175-lb class, I compete at the national level. I always competed way outside my weight class, but as soon as a weight class for me was born, I went right to the top.

I think that gives me an unbiased perspective in another way - I know just what goes into being an athlete, and at the top, you have pure genetics in action combined with pure training combined with people becoming more and more specialized for their sport, body type wise, and combined with more efficient equipment for athletes.