Read more1Olivia Smoliga, Becca Mann Win First Chicago River Swims in Nearly a Century22 September 2025Olivia Smoliga, Becca Mann Win First Chicago River Swims in Nearly a Century The Chicago River hosted its first open water swim since 1926 on Sunday, and Olympian Olivia Smoliga made a big splash in her hometown. Smoliga won the non-wetsuit 1-mile race on Sunday near her home of Glenview. The river ...