You didn't specify your preference in terms of wanting a top, bottom, verse, or even what you want out of the encounter (i.e. bfe or muscle worship)
Well my favorite OC guy is @ajirons09. I don't know if he fits your build preference, but he definitely has an athletic build.
https://rent.men/AJIrons
There are a few others I haven't met, but have generally had a positive buzz. James is a member of the forum.
@James Daniel
https://rent.men/JamesDaniel