Emily Corbet scored the only goal of the game on Saturday.
Athlone Town picked up their fifth win in-a-row on Saturday in the Women's National League.
Emily Corbet's first-half goal was enough for Athlone to secure an impressive 1-0 win away at Peamount United in Dublin.
Athlone remain in fourth place in the table, but are now level on points with Peamount in third.
The Athlone Town Men's team surrendered the lead for the second week in-a-row in defeat to Longford Town on Friday night.
Longford came back to win 2-1, leaving Athlone still in search of a first league win.
Meanwhile, the fixture details have been set for the CCFL Senior Division title play-off.
After finishing level on points during the season, Clara Town will face Monksland United in the decider this Saturday at 6pm at Mullingar Athletic's grounds at Gainstown.
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