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All-Out Fall Fest

📅 September 18, 2027 (estimated date)📍 Westminster · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (September 19, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

13.1 mi6.2 mi3.1 mi

About

The All-Out Fall Fest is an annual race festival in Westminster, Jefferson County, Colorado, on September 18, 2027, with a half marathon (13.1 miles / 21.1 km) at 7:00 a.m., a 10K at 7:30 a.m. and a 5K at 7:40 a.m. It is organized by All-Out Multicourse Productions.

The event showcases one of Colorado's favorite trails, with participants running along the scenic Big Dry Creek Trail and taking in sweeping views of Standley Lake and the majestic Flatirons in the distance. It's an ideal opportunity to test your endurance and enjoy the beauty of the great outdoors.

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