There is no qualification stage and all 10 member of CONMEBOL automatic qualified.

[2][3][4] It was the first time that Chile hosted the CONMEBOL Pre-Olympic Tournament.

On 22 August 2003, the Football Federation of Chile proposed five host cities, with Concepción (Group A), La Serena and Coquimbo (both of Group B) as host cities of the first stage matches, while Viña del Mar and Valparaíso would host the final stage matches.

[5][6] All ten CONMEBOL member national teams entered the tournament.

The groups were composed according to the proposal presented by Reinaldo Sanchez, president of the Football Federation of Chile, on 22 August 2003.