Chilly Willy Half Marathon - Tucson
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Event Overview
The Chilly Willy 5K/10K/Half Marathon is a winter-themed running event in Tucson. It takes place on February 21, 2026, at Danny Lopez Park. Participants can choose from in-person or virtual race formats.
Distances
The event offers several distances:
- 5K
- 10K
- Half Marathon
Event Details
All finishers receive a custom finisher medal. Awards are given for top overall male and female finishers, as well as top finishers in masters (40+), grand masters (50+), and senior masters (60+) categories. Age group awards cover standard five-year categories starting from 10 and under up to 80 and over.
The course is described as "not completely flat, but it's no where near hilly," with water stations approximately every 1.5 miles. The half marathon course has a cutoff time of 3.5 hours (a 16-minute-per-mile pace). Packet pickup occurs on race morning starting one hour before the start time.
Registration and Fees
Registration tiers and fees are as follows:
- Regular registration (ends February 14): 5K for $35, 10K for $40, Half Marathon for $60, Virtual races for $35.
- Late registration (ends February 20): 5K for $37.50, 10K for $42.50, Half Marathon for $62.50.
- Race day registration: 5K for $40, 10K for $45, Half Marathon for $65. Participants registering by February 11 are guaranteed race swag in their selected size.
Charity Partnership
The event's 2026 charity partner is the Ironwood Pig Sanctuary.
Additional Information
Participants can use the RaceJoy mobile app for live tracking and progress alerts. Teams of five or more receive registration discounts. The event policy states no refunds, deferments, or transfers; it will be held rain or shine. Visit the organization's website for the most recent information.
