Three Creeks Half Marathon

Sun, Apr 5, 2026, 8:00 AM MDT

Location: Englewood, CO; 4800 S. Dayton St., 80111
Type: RUN

Official registration Past results (if available)

At a glance

Experience Denver's premier spring half marathon, featuring a flat, fast, and scenic course through Cherry Creek State Park.

Scenic
Competitive

Great for: runners who like a competitive edge

Less ideal for: walkers-only pacing

Welcome spring with the Three Creeks Half Marathon, a beloved Denver event held at Cherry Creek State Park. This 13.1-mile course is designed to be flat, fast, and scenic, offering a delightful journey through some of the park's most beautiful areas. Runners will experience a mix of road, paved trails, and wide dirt paths, following the banks of Cherry, Windmill, and Cottonwood Creeks. With a minimal elevation gain of just 291 feet, it's an inviting race for those seeking a personal best or a beautiful run.

What to expect

Run a flat, fast, and scenic half marathon course.
Enjoy a varied terrain of road, paved trails, and wide dirt paths.
Journey through the beautiful Cherry Creek State Park with minimal elevation gain.

Standout details

Denver's Best Spring Half Marathon
Flat, fast, and scenic course
Minimal 291 feet elevation gain
Mixed surfaces: paved, road, dirt trails

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

2 options

Registration for all distances is through the official signup link above.

13.1 Miles
Sun, Apr 5, 8:00 AM MDT · From $69.90
Opens Sep 7, 2025, 8:00 PM MDT · Closes Nov 30, 2025, 6:59 PM MST
13.1 Miles
Sun, Apr 5, 8:00 AM MDT · From $107.00
Opens Sep 7, 2025, 8:00 PM MDT · Closes Dec 31, 2025, 6:59 PM MST

Vibe Check

Push Potential

Hilly road course, long distance + altitude

High altitude

Based on terrain, weather, and distance data.

The course

Road
Hilly
Timed race

From the organizer

FULL WEBSITE AT: http://www.racingunderground.com/threecreeks/

Welcome to Denver's Best Spring Half Marathon!

Sunday April 5, 2026 at Cherry Creek State Park

Racing Underground brings you an amazing half marathon this spring! The Three Creeks Half Marathon features a half marathon course that is flat, fast and scenic!

Travel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 291 feet spread out over 13.1 miles as the course follows the banks of Cherry Creek, Windmill Creek, and Cottonwood Creek on a mix of road, paved running trail, and wide dirt trails.

We hope to see you at the 13th annual Three Creeks Half this April!

Darrin, Jill,and the Racing Underground Crew

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