I Ain't Scared (of 5k) 2026

I Ain't Scared (of 5k) is a Halloween-themed 5k held at Carpenter Park, located near Colorado and 108th Avenue in Thornton, Colorado. The children's race begins at 9:15 AM Mountain time, followed by the 5k at 9:30. The shorter event is a 100-yard fun run for children ages 2 to 7. This race occurs only when Halloween falls on a weekend. Costumes are encouraged, and music and Halloween snacks are provided. All participants receive a finisher medal and a T-shirt printed with glow-in-the-dark ink. The kids' fun run is free, making the event suitable for families as well as 5k runners.