Niall Rigney's side narrowly defeated the defending county champions.
Ballinamere have booked themselves a place in the Offaly Senior Hurling Championship semi-finals after a hard fought win over the defending county champions, in Birr on Saturday evening.
In a back and forth game, Shinrone and Niall Rigney's side exchanged the lead several times with last year's title holders scoring a pair of goals off rebounds.
Ballinamere failed to get the goal many might have thought they needed but they saw out the game 0-23 to 2-14.
Their campaign to win a first ever senior county title moves on to the semi-final stage, while Shinrone will meet Birr in the quarter finals.
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