Chilly Willy Half Marathon - Las Vegas
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Event overview
The Chilly Willy 5K/10K/Half Marathon takes place on January 4, 2026 in Las Vegas, NV at Bill Briare Park (650 N Tenaya Way, 89128). The race offers in-person and virtual options, with the following distances:
- 5K
- 10K
- Half marathon
The course is described as generally flat with only minor elevation changes. Water stations are provided approximately every 1.5 miles. Participants must maintain at least a 16 minute per mile pace. Long-sleeve race shirts and finisher medals are offered; "no shirt" registration options are available for each distance. Awards are planned for top overall and age-group finishers across standard 5-year age groups and multiple masters categories.
Logistics and extras
Registration has tiered pricing (early, regular, late, and race-day rates) and virtual entries are available. Participants who register by December 25 are guaranteed race swag in their size; the same date is noted as the deadline to guarantee a shirt size. Packet pickup is held on race morning starting one hour before the race start. The event supports the charity Ava's Avengers. Volunteer recruitment can earn a $50 Visa gift card if a volunteer signs up, recruits three others age 13 or older, and all fulfill the race-day volunteer requirements. Team discounts apply for groups of 5 or more, with larger discounts for bigger teams. All registrations are final; there are no refunds, transfers, or deferments. Visit the organization's website for the most recent information.