The Big Chill

JAN
18
2026
Brave the elements at Big Chill in South Milwaukee on January 18, 2026, the coldest stop of the Winter Run Series. Choose a 5K or 10K and celebrate with a long sleeve event shirt, finisher medal, snacks and race photos.
Sun 18 Jan 2026
10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

Big Chill takes place on January 18, 2026, in South Milwaukee, WI 53172. It is Race #4 of the 21st Annual Winter Run Series, a six-event series that runs through Milwaukee and nearby suburbs. The event offers two distance options.

  • 5K
  • 10K

Organizers note that Big Chill is historically the coldest race of the series.

Registration and inclusions

Entry fees for the individual races are listed at $40 for the 5K and $40 for the 10K. The price increases after October 31, 2025 at 11:59pm CDT. Registration for the six-event Winter Run Series is listed at $240; series registration ends October 26, 2025 at 9:00am CDT.

Included with registration are a gender-specific long sleeve event shirt (women's shirts are fitted and tend to run small), finisher food, a finisher medal, professional chip-based timing provided by Race Day Events, and free digital race photos courtesy of Focal Flame Photography. Visit the organization's website for the most recent information.

10 km
Big Chill 10k
5 km
Big Chill 5k

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