In 41 days · Sat, Dec 12, 2026
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Saturday, December 12th, 2026
3498 E 112th Ave, Thornton CO
5K
23–45°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
35–58°F
dry
2024
24–47°F
dry
2023
28–34°F
dry
2022
26–54°F
dry
2021
32–60°F
dry
2020
18–29°F
dry
2019
22–39°F
dry
2018
28–51°F
dry
2017
28–65°F
dry
2016
20–41°F
dry
Best months to race in Colorado →
About this race
❄️ Run, Walk & Celebrate at WinterFest! 🎄
Bundle up, lace up, and get ready for some holiday cheer! Join us on Saturday, December 12, 2026, at Carpenter Park in Thornton, Colorado, for the WinterFest 5K & Fun Run!
Whether you're racing for a personal best, walking with friends, or making holiday memories with the whole family, there's a little winter magic waiting for everyone! ☃️
🏃 5K Run/Walk – A chip-timed 5K with awards for competitive runners and plenty of festive fun for everyone else!
🎅 Family Fun Run/Walk – An untimed, approximately ¾-mile course that's perfect for kids, families, and anyone who wants a shorter stroll filled with holiday spirit.
☕ A Mug Full of Holiday Cheer! – Every finisher receives a festive, collectible WinterFest mug! Fill it with a warm drink at the finish line and celebrate your accomplishment with friends and family.
🎁 The Fun Doesn't Stop at the Finish Line!
Stick around and enjoy Thornton's WinterFest celebration, featuring:
⛸️ Ice skating
🛍️ Holiday Marketplace
🎅 Visits with Santa
🍻 Heated Beer Garden
🎄 Plenty of holiday festivities!
❤️ We're proud to feature our Charity Partner: Food for Hope, helping provide food and essential nutrition to local students. Bring a food donation on race day and help spread a little extra holiday kindness!
✨ Make WinterFest part of your family's holiday tradition! Bring your friends, your family, and your festive spirit. We'll bring the finish-line cheer!
🎟️ Register today and celebrate the season with us!
Course map
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Run clubs near Thornton to train with before race day.
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