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I Ain't Scared (of 5k)

Overview

5K · Fun Run

Oct 31, 2026 · Thornton, Colorado, US

On our calendar since Jan 2026

Colorado5K
Perks & Swag
Swag included
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The read

Run Vibes summary

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Original listingRegistration & details — Full description from sourceExpand the official listing text (unchanged)
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Dress up and run spooky and silly at the I Ain't Scared (of 5k) in Thornton!  Fun music, Halloween snacks and costumes galore!!  This event only comes around once every few years when Halloween lands on a weekend.  You don't want to miss it! Every racer gets a T-shirt with GLOW IN THE DARK printing and a FINISHER MEDAL!

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