AFC Rushden & Diamonds have been promoted from the ChromaSport & Trophies United Counties League Premier Division after they beat Long Buckby 3-1 at the Dog & Duck.
With a draw being enough to secure a top-three spot above Holbeach United, Diamonds did it in style.
Declan Rogers gave them the lead on the half-hour mark but they were pegged back before the break when Ricky Barby struck for the visitors.
However, Diamonds made sure of things after the break with Scott Joseph making it 2-1 on 69 minutes before Matt Gearing rounded it off late on.
Diamonds: Finlay, Butt, Ashton, Dolman, Brown, Rogers, Lorraine, Bunting, Gearing, Joseph, Berwick. Subs: Redding, Merrill, Turner, Lamb-Johnson, Donohoe.
Goals: Rogers (30 mins, 1-0), Barby (39 mins, 1-1), Joseph (69 mins, 2-1), Gearing (87 mins, 3-1).