Boston United Ladies have completed the treble.
The team beat Lutterworth Athletic 3-2 to claim the East Midlands Women’s Invitational Cup on Sunday.
Tracey Duxbury-Mead, Rachael Howes and Ellie Spendelow were on target.
The team have also won the Lincolnshire County Women’s League and Lincolnshire County Women’s League Cup this season.