Whalley saw off derby rivals Read at Whalley Road on Saturday by 33 runs to keep their hopes of a top-three finish alive.
But Read look like they’ll have one less competition to focus on next term after losing sight of the LCB Knockout Cup qualification places in Section A.
Joe Marshall’s men lost out by 33 runs against high-flying Whalley on home soil, with Great Harwood’s victory over Settle leaving them 37 points adrift of fourth.
Whalley, however, stay third, 19 points behind Settle.
Whalley won the toss and decided to bat, and set a total of 245-5 as Mark Fallon (69), professional Yogesh Takawale (86) and Declan Bailey (57 not out) inflicted misery on Read.
The home side showed plenty of heart in their response as Marshall top-scored with 59, while Michael Whalley made 35 while William Wrathall added 33 to the equation, but Read were dismissed in the 42nd over.
Simon Gorton and Richard Palmer both took three wickets.
On Saturday, Whalley will look to put more daylight between them and fourth place Great Harwood at Station Road, while Read are at home against Oswaldtwistle.