The 2017 Campeonato Alagoano is the 87th edition of the top football league in Alagoas. CRB became the champions for the 30th time and third straight time after defeating CSA over two legs, 4-2.
Format
First Phase
The 10 teams are divided into 2 groups of 5 teams each
Each team plays all the teams from the other group twice - home and away - for a total of 10 games each.
First to third place of each group qualifies for Hexagonal
Fourth and fifth place of each group enter the relegation round.
Hexagonal Final
Each team plays the others once, for a total of 5 games each.
The top four teams qualify for the semi-finals.
Relegation Round
The four teams play each other twice.
The bottom two teams are relegated to the 2018 Campeonato Alagoano 2° Divisão.
Final Rounds
The advancing teams from the Hexagonal Final are paired according to their ranking:
1 vs. 4
2 vs. 3
The games are played over two legs, the winner being decided on aggregate.
The winners of the semi-finals go on to the finals.
The Final is played over two legs.
The team with the better record over the first phase, hexagonal Final, and the semi-finals hosts the second leg.