WinterFest 5k & Fun Run
- Date
- December 12, 2026
- Location
- 3498 E 112th Ave, Thornton, CO
- Distance
- 5k Run/Walk -TIMED and Scored · Fun Run/Walk (Untimed, approx .75 miles)
From the Organizer
Kick off the holiday season with a spirited run/walk at Thornton's Carpenter Park. Choose from the chip-timed 5k, or experience the festive atmosphere in a shorter distance in our untimed Fun Run/Walk.
Stick around after for the festival, including Ice skating, Holiday Marketplace, Santa visits, and the Heated Beer Garden.
Celebrate the Best of Winter in Thornton, Colorado. You'll enjoy a warm drink at the finish line in your festive collectible mug.
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For details about this event, click on the menu options under "Race Info" or scroll to the very bottom of this page for links to other pages on this site.
Distances & Pricing
Race Location
About This Sport
From Endurance Grid's Founder
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More running races in CO
May 16 - Never Ever MTBers & Beginners @ Bluestem - (bring a non-WMBA friend!!)
June 18 - Intermediate & Skills @ Ute Valley
BRR All-Comers Summer Track & Field Series #4
Aug 1 - Social Ride @ location tbd
Frequently Asked Questions (FAQs)
- What is the WinterFest 5k & Fun Run?
- WinterFest 5k & Fun Run is a running event held in Thornton, CO. Learn more about the different endurance sports here.
- When and where is the WinterFest 5k & Fun Run?
- Saturday, December 12, 2026 in Thornton, CO at 3498 E 112th Ave, Thornton, CO. Check the official event page for exact start times and wave schedules.
- How do I register for the WinterFest 5k & Fun Run?
- Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.
WinterFest 5k & Fun Run
Dec 12, 2026