Three Creeks Half Marathon - Three Creeks Half Marathon Relay

Apr 4, 2027Englewood, CO, United States

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External Event

Distance

13.1 mi

Pace

All paces

Terrain

Road

Difficulty

All Levels

About this run

FULL WEBSITE AT: https://www.racingunderground.com/three-creeks Welcome to Denver's Best Spring Half Marathon! Sunday April 4, 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 14th annual Three Creeks Half this April! Darrin, Jill,and the Racing Underground Crew

Typical conditions

For events around April 2027 in Englewood, CO, United States: Typical spring conditions in this region — mornings can still be cool; confirm start-time guidance on the official page.

How to prepare

Half marathon prep usually includes a weekly long run that builds toward 16–20 km, plus easy runs for recovery. Confirm packet pickup and start procedures on the official registration page.

Plan longer races for 2026