That Dam Run Half Marathon

Greenwood Village, CO, USA · March 7, 2027

33°·42° high·Light·Dry

Weather

Race Day Weather

33°at start

44° high

Light

Dry

Cool start, steady conditions

Runners will face a cool start at 28°F, gradually warming to 43°F. A light westerly breeze at 7 mph will have minimal impact on performance. With humidity at 45% and a low dew point of 17°F, hydration needs will be moderate. Runners should consider a conservative pace early to adjust to the rising temperatures.

Race day forecast available in 174 days

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Distance: 13.1mi

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Race Info

That Dam Run is a half marathon, 10K, and 5K held at Cherry Creek State Park near Greenwood Village, Colorado. The course starts near Dam Road and South Dayton Street and crosses the Cherry Creek Dam, with views of the reservoir, downtown Denver, and the Rocky Mountains. It is the closing event of the RunDenver Series, produced by HAL Sports.

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FAQ

When is the 2027 That Dam Run Half Marathon?

The 2027 That Dam Run Half Marathon will be held on Sunday March 7, 2027.

What is the time limit for the That Dam Run Half Marathon?

The time limit for the That Dam Run Half Marathon is 3.5 hours.

What will the weather be like for the 2027 That Dam Run Half Marathon?

The forecast calls for a high of 52°F and a low of 25°F with a 3% chance of rain.

Historical Weather

Based on 3 years of data

Avg Temp

52°F

L:39° H:52°

RunScore

Conditions

Rain Freq

0 of 3 yrs

Wind5mph

Dew18°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 That Dam Run Half Marathon Partly cloudy throughout the day. 2026	41°/56°	-	20°
2025 That Dam Run Half Marathon Partly cloudy throughout the day. 2025	42°/56°	-	15°
2024 That Dam Run Half Marathon Partly cloudy throughout the day. 2024	34°/44°	-	13°

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