Birthplaces of the 100 fastest 10,000m runners of all time

https://sh.itjust.works/post/16789288

Birthplaces of the 100 fastest 10km runners of all time - sh.itjust.works

The topography explains it all. geology.com/articles/east-africa-rift.shtml

tl;dr The people of that area in East Africa naturally live close to sea level, however there are easily accessible elevations changes that distance runners have trained on for probably centuries. It turns out that training at high altitudes and recovering at low altitudes provides a tangible and demonstrable advantage compared to just single elevation training.

East Africa's Great Rift Valley: A Complex Rift System

A description of the East Africa Rift System with maps and cross sections.

That’s good. I thought the map was being racist

Maps aren’t racist. Map owners are racist. Map creators are just filling demand.

(replace “maps” with “dogs” and “racist” with “at fault for dog eugenics”