The Big Chill

The Big Chill is a winter running event held in South Milwaukee, Wisconsin, as part of the 21st Annual Winter Run Series, Wisconsin’s largest running series. Scheduled for January 18, 2026, it offers participants the choice of a 5K or 10K race through the heart of Milwaukee and its scenic suburbs, showcasing the city's charm. Known as the coldest race of the series, runners are encouraged to bundle up and enjoy the brisk challenge.

Participants receive a gender-specific long sleeve shirt, finisher medal, post-race snacks, professional chip timing, and free digital race photos, making it a festive and well-supported winter running experience. Visit the organization's website for the most recent information.