Qualification standards exist where the number of competitors wishing to participate in an event is larger than the number of spaces available
The qualification period begins four years before the Opening Ceremony for the Games of that quadrennial
Each sport has a different path line, which includes the standards being set by the respective international federations
A story is told of two-time Olympian, Benson Gicharu, who flew to Venezuela as if by a miracle, without a visa, in his third and last attempt to qualify for a spot in the boxing event of the Rio Olympic Games in 2016.
Gicharu had participated in the African Qualifying Event and lost in the second round. He had the second chance to qualify through the World Qualifying Event, which he managed to participate in and for the second time, missed the chance to represent the country when he lost in the quarter-finals. His final chance remained the final qualification event in Venezuela, which he won following his miraculous travel to the South American nation.