Eight players each day joined the automatic qualifiers in the first round of the main event.
Twelve automatic qualifiers and those with the remaining top distances advanced to Thursday's final.
The United States, an automatic qualifier in 1994 as the host, is back among the rank and file.
The other 22 conferences only got their automatic qualifiers in.
Four teams from each region are selected with no automatic qualifiers given.
The winner advanced to the group stage to join the 31 automatic qualifiers.
The last two automatic qualifiers will be decided in tournaments today and tomorrow.
Eight players from the preliminary round will go through to join the 24 automatic qualifiers in the group stages.
The winners of each tie advanced to the group stage to join the 29 automatic qualifiers.
Another issue was to make the automatic qualifier Brazil's team competitive.