Portland Bridge Swim aims to highlight health of Willamette River

Portland Bridge Swim

Swimmers participate in the 2024 Portland Bridge Swim, which spanned 11 miles down the Willamette River from the Sellwood Bridge to the St. Johns Bridge. Sean Meagher/The Oregonian

Marisa Frieder was walking her dog in Portland along the Willamette River in 2010 when an idea struck her.

“I was looking at the river and thought, it would be cool to swim under all those bridges,” Frieder said.

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