I Ain't Scared 5K

OCT

31

2026

A Halloween-themed 5k and kids fun run in Thornton, CO on October 31, 2026, with music, snacks and costumes. Each participant receives a glow-in-the-dark T-shirt and a finisher medal.

Sat 31 Oct 2026

Thornton, Colorado

Website

5 kilometers

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I Ain't Scared (of 5k)

The I Ain't Scared (of 5k) event is scheduled for October 31, 2026 at the intersection of Colorado and 108th Ave in Thornton, CO 80233. The occasion is tied to Halloween and is noted to occur only once every few years when Halloween falls on a weekend.

The event program includes the following distances:

5k - 3.1 miles
Kids Fun Run (approx 100 yards) - 100 yards

Registration details differ by race. Registration for the 5k opens on 11/01/2025 and closes on 12/01/2025; the registration fee is $29.00. Registration for the Kids Fun Run opens on 01/05/2026 and closes on 10/31/2026; the fee is $0.00.

The event features music, Halloween-themed snacks, and widespread costume use. Every racer receives a T-shirt with glow in the dark printing and a finisher medal. Information about course layout or timing is not provided here. Visit the organization's website for the most recent information.

5 km

Kids Fun Run (approx 100 Yards)