0/10
If any of the sub 13min guys in history hadn't ever picked up running and instead played a different sport like soccer, they would still be running 15min 5Ks based on talent alone.
Let's say Bekele lived his entire life as a couch potato and all of a sudden at age 25 decided to pick up running. He'd be under 14 min within a year for sure.
My untalented self has been running for a total of 3 years. Started at