Colony Park Juniors beat Glentanar 7-0 at Colony on Tuesday night to secure promotion to the Super League next season.
Seven different names got on the score sheet with goals from Mackay,Dorratt, Roddie, Douglas , Ross , Craib and Durno contributing to the result.
A draw would have been enough for the Inverurie side to secure the title and promotion but Colony got the win in style and remained unbeaten for the season.
The result followed Saturday’s 3-2 defeat of Buchanhaven Hearts.
Mackay scoring first for Colony before a double from Hearties gave the visitors a 2-1 lead at half time.
Mackay scored his second to level the game in the second half before Dorratt won the game for Colony in the 70th minute.
Colony are now three points clear at the top of the league with four games in hand over second placed Fraserburgh United.
The two results take the sides result for the season to 16 wins, two draws and no losses - and the champions will now be determined to see out the season unbeaten.
They will face Cruden Bay away this Saturday, Kick off 2:00pm, and Aberdeen University next Saturday.
It will be the first time in the clubs five year history that they have made it to the Super League where they will face the likes of Banchory St Ternan, Stonehaven, Maud and Ellon United among others.
It will be a massive challenge for the Juniors who will look to take this seasons form into their first season in the Super League next year.
They will have to see out the remainder of this season first however, with games continuing into June after the fixture build up.