[ridaj]

The kind of hunt that humans are believed to have practiced early on was persistence hunting, which consists of chasing prey over long distances until they are exhausted (the gazelle can outrun any human on a scale of minutes, but not on a scale of hours).

https://en.m.wikipedia.org/wiki/Persistence_hunting

If that is the case then the body type would have been low mass overall, like marathoners.

As for best body type for quality of life today (at least from a health perspective), that seems relatively aligned.