The 1986 ACTAFL Competition consisted of six teams, Ainslie, Belconnen, Eastlake, Manuka Weston, Queanbeyan and Tuggeranong.
Ainslie First Grade won 8 games and lost 9 fishing in third place after the home and away games. Ainslie played Eastlake in the First Semi-Final at Football Park, Phillip and had not beaten them during the season in four games. A more aggressive Ainslie opened up a 16 point lead at half time going on to win by 36 points.
- Final score: Ainslie 12.16-88 def Eastlake 7.10-52
- Goal kickers for Ainslie: M Killer 5, Smith 2, Ielasi 1, Cook 1, McCormick 1, Hensell 1, Monaghan 1
- Best: M Richardson, Cook, Killer, Ielasi, Hamilton, Rogers,
In the Preliminary Final Ainslie lost to Tuggeranong.
- Final score: Ainslie 9.13-67 def by Tuggeranong 17.15-117
- Goal kickers for Ainslie: Rogers 2, Miller 2, Killer 1, Smith 1, Tutt 1, A Bishop 1, Endal 1
- Best: Cook, A Bishop, Hamilton, Rogers, Smith, Richardson
Tuggeranong defeated Queanbeyan in the Grand Final, 8.11-59 to 8.10-58, to win their first Premiership.