Chilly Willy Winter Run Series
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Chilly Willy Winter Run Series
The Chilly Willy Winter Run Series is a seven-event winter running and rucking series in Oconomowoc, Wisconsin. The series runs from November 7, 2026 through March 20, 2027 and is presented by Silver Circle Sports Events, LLC. Events are held at 1327 Wall Street in Oconomowoc, WI.
Race formats in the series include running, walking, and a new rucking option introduced for 2026–27. Distances offered across the series include:
- 3.12 Miles (5K)
- 6.2 Miles (10K)
- 13.1 Miles (Half marathon)
Series runners who select the half marathon option will be automatically moved to the 10K distance for races that do not offer a half marathon. Rucking is offered as a 5K ruck at series events; rucking events are timed but do not include age group awards.
Awards are presented to overall, age group, and team series champions. Registration for events opens in March 2026 and closes March 24, 2026. The posted registration fee for events in the series is $160.00. Visit the organization's website for the most recent information.
