Brian Guerin scored a last minute goal to seal the win for his side.
A last minute goal from Brian Guerin booked Mullingar Shamrocks a place in the semi-finals of the Westmeath Senior Football Championship.
Michael Burke's side defeated Garrycastle on a scoreline of 2-16 to 1-17 in Cusack Park on Saturday.
The win means they join Coralstown-Kinnegad, St Loman's Mullingar and The Down's in the final four.
Burke says his side showed great character to pull out a result:
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