AFC Farnsfield clinched the title in style, gaining the one point they required in a 9-0 victory at Knowhow United with seven players on the scoresheet.
The championship was decided before half-time, when the visitors were 3-0 ahead.
Substitute Andres Velez Pina led the scoring with a hat-trick and there were goals for Mitchell Eley, Luke Radford, Simon Ratcliffe, Oliver Watson, Mitch Hall and William McGinley.
RHP Social Reserves, who needed Farnsfield to slip up to keep their title hopes alive, won 6-3 at Evolution.
Joe Hurst bagged a treble and Joseph Brumpton two. Substitute Scott Walker completed the scoring.
Two mid-table sides, Old Magnusians and Newark Flowserve Reserves, shared six goals after being locked at 2-2 at half-time.
Mack Astle, Daniel Shacklock and Chris Wareham scored for Magnusians with Jason Driver, Chris Hardy and Callum Townrow replying.