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Ireland Hall’s teeter-totter marathon started Sunday afternoon. In its 20th year, this annual event has participants rotating shifts every hour for three days.

Garrett Engelhardt, Ireland Hall council co-chair, said the event has raised almost $150 and will continue until 4 p.m. Wednesday. All proceeds will be donated to the Tubman Family Alliance, a shelter that helps battered women and their children.

Michael Ewen can be reached at mtewen@stthomas.edu.