Geena Davies (oscar winning actress) thought archery looked cool, took it up in '97 and tried out in '99 for the US olympic team.
New York Times However, she hired one of the top coaches to train her and practiced six days a week. I seem to recall that she stipulated in her movie contracts that here had to be an area where she could practice on set!!
She had time and money and dediacation but was still unable to make the Syndey Olympics.