Course
The 5K and 10K are single out and backs and the half marathon is a double loop, all of it close to flat. Water stations sit roughly every 1.5 miles and the course closes at three and a half hours. Virtual entries are offered for each distance.
Key dates
- !RegistrationOpen now
- ★Race daySat 23 Jan 2027
About
Bundle up and get ready to race! The Chilly Willy 5K/10K/Half Marathon is the perfect way to kick off the new year with some frosty fun and a whole lot of miles. Whether you're tackling the 5K, digging deep for the 10K, or braving the full Half Marathon, this winter-themed event brings runners together for a crisp, refreshing challenge that celebrates the season.
Save Chilly Willy 5K/10K/Half Marathon - Colorado Springs to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Polar Bear Run and Plunge
A frosty run around Horsetooth Reservoir, then a plunge
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Yeti Chase 5K & 10K
Second leg of a three-race Winter Running Series
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Love 'em or Leave 'em Valentine's Day 5K/10K
Cupid-themed 5K/10K through Parker, Colorado
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.