Michael Koppy is a 75-year-old ultrarunner and retired engineering professor from northern Minnesota who is still breaking records in endurance sports. Over the past decade, he's completed two fastest known times (FKTs) and continues to compete in some of the country's most demanding ultramarathons. In 2026, he became the oldest person to finish the Arrowhead 135, one of the toughest winter ultramarathons in the United States.

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