I think Grant Hill said he grew a couple of inches in college. People say Kevin Durant is still growing. The guy is tall as some centers in the NBA now. I susp

I think Grant Hill said he grew a couple of inches in college. People say Kevin Durant is still growing. The guy is tall as some centers in the NBA now. I suspect you can keep growing a few years past 18. I suspect you can stop growing a few year before 18 as well. I don't think 18 is set in stone but an average age when people reach their adult height. But I think gaining an inch at 26 is rare. But she is an olympic medalist and a rare person.