El Nacional won their 13th title to tie Barcelona for the most top-flight championships in Ecuadorian football history.
The ten teams competed in a double round-robin tournament, one game at home and one away.
At the end of each, the team with the fewest points was relegated to the Serie B.
The Liguilla Final was a double round-robin tournament between the six qualified teams of the First and Second Stage.
The winner of the Liguilla Final was crowned the Serie A champion.