Three Creeks Half Marathon
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Event details
The Three Creeks Half Marathon is scheduled for Sunday April 5, 2026, at Cherry Creek State Park near Englewood / Denver, Colorado. The event includes a standard half marathon and a 2-person half marathon relay - each relay leg is 6.55 miles. The half marathon distance is 13.1 miles.
- 13.1 miles
- 6.55 miles per relay leg
Organized by Racing Underground, the race offers chip timing with live online split times at 2.5, 6.5, and 10 miles. Results and athlete tracking will be posted live. Overall cash awards of $200, $150, and $100 are set for the top three overall male and female finishers. Age group awards are given by chip time across standard age brackets and include non-binary awards.
Course and logistics
The course follows Cherry Creek, Windmill Creek, and Cottonwood Creek on a mix of paved roads, paved running paths, and wide dirt trails. Total combined elevation gain is 291 feet over the 13.1 mile course. Eight aid stations are placed approximately every two miles, stocked with water and Hammer Heed; Hammer Gel is available at miles 6.5 and 10. Toilets are provided at the start/finish and on course at about 0.75, 2, 7.5, 8.5, and 10.5 miles.
The 2-person relay uses an exchange zone at the 6.5 mile aid station. A shuttle transports second-leg runners to the exchange zone and returns first-leg runners to the start/finish area. Early packet pickup is held at Runners Roost Lakewood; race day packet pickup and bag check are at the start/finish area at Hobie Hill. Refund and credit policies apply. Visit the organization's website for the most recent information.
