Dewsbury secured their promotion to National League One with a 30-16 win over Workington. The victory ensured they finished top of National League Two ahead of Sheffield Eagles, and booked the only guaranteed promotion slot.
The Eagles finished second in the table and will go into the play-offs with the Celtic Crusaders, Featherstone, Gateshead, Swinton and Barrow.
The play-offs start on 17 September, with the Grand Final on 8 October.
In National League One, the top six remained intact with Hull KR at the top of the table.
Hull KR will be joined by Widnes, Leigh, Whitehaven, Rochdale and Batley in the play-offs.
National League play-off schedule:
League One
17 September: Elimination play-offs: Leigh v Batley; Whitehaven v Rochdale
24 September: Qualifying semi-final: Hull KR v Widnes; elimination semi-final: Leigh or Batley v Whitehaven v Rochdale
1 October: Final eliminator
8 October: Grand Final
League Two
17 September: Elimination play-offs: Featherstone v Gateshead; Swinton v Barrow
24 September: Qualifying semi-final: Sheffield v Celtic Crusaders; elimination semi-final: Featherstone or Gateshead v Swinton or Barrow
1 October: Final eliminator
8 October: Grand Final
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