The Tullamore Harrier's runner broke her previous record which she set in April.
Tullamore Harrier Ava O'Connor has lowered her own Irish U23 3000m Steeplechase record.
The Laois athlete clocked a time of 9:45.00 at the Motonet Grand Prix in Lahti Finland and finished third overall with Finland's Ilona Mononen winning the overall race.
O'Connor has bettered her previous record of 9:46.22 which she ran in April.
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