Gymns became the final team to qualify for the Warehouse Fitness Floodlit Cup semi-finals on Sunday.
A goal in each half from Kayleigh Whitehead booked their place at the expense of Colby in a 2-1 win.
The southerners, who only needed a draw to qualify, replied through debutant Sarah Wignall.
Peter Hickman feeling confident ahead of TT 2026 campaign
Fourteen-time winner missed out on racing last year after crash
Club receives funding for Island's first SuperEnduro track
Prevail Motorcycle Club hopes it will inspire the next generation
Charity to assist with Pre-TT Classic preparations
Beach Buddies set to clean entire Billown Course
McGuinness: TT is 'the journey that keeps on giving'
Twenty-three-time winner celebrating 30 years at the event in 2026