Welcome to the inaugural episode of the UltraSwimming Podcast, hosted by Jessica Kieras and Evan Morrison of the Marathon Swimmers Federation. In this episode we discuss how Karen Zemlin envisioned, planned and completed a new 22.9 km (14.2 mile) route on Lake Superior, from Isle Royale, Michigan to Pigeon Point, Minnesota in 6 hours and 12 minutes on August 13, 2025 We talk about how…

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