Bound for Boston Marathon (Denver)

Denver, CO, USA · August 1, 2027

60°·77° high·Light·Dry

Weather

Race Day Weather

60°at start

84° high

Light

Dry

Comfortable temps, big temp swing

Mild 60°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 84°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 306 days

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Distance: 26.2mi

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Race Info

The Bound for Boston Marathon and Half Marathon in Denver runs on a certified 1-mile loop around Northfield High School in the Central Park neighborhood. The marathon is USATF-certified and qualifies finishers for the Boston Marathon. The race caps entries at 75 runners per distance, starts at 6:30 a.m., and closes the course four hours later. Five Star NTP has run the Denver race every August since 2024 as part of its multi-city Bound for Boston series.

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FAQ

When is the 2027 Bound for Boston Marathon (Denver)?

The 2027 Bound for Boston Marathon (Denver) will be held on Sunday August 1, 2027.

Is the Bound for Boston Marathon (Denver) a Boston Marathon Qualifier?

Yes, the Bound for Boston Marathon (Denver) is an official Boston Marathon qualifier.

What is the time limit for the Bound for Boston Marathon (Denver)?

The time limit for the Bound for Boston Marathon (Denver) is 4 hours.

What will the weather be like for the 2027 Bound for Boston Marathon (Denver)?

The forecast calls for a high of 86°F and a low of 60°F with a 5% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 3 years of data

Avg Temp

77°F

L:69° H:84°

RunScore

Conditions

Rain Freq

0 of 3 yrs

Wind10mph

Dew47°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Bound for Boston Marathon (Denver) Partly cloudy throughout the day. 2026	74°/89°	-	47°
2025 Bound for Boston Marathon (Denver) Partly cloudy throughout the day. 2025	61°/76°	-	43°
2024 Bound for Boston Marathon (Denver) Partly cloudy throughout the day. 2024	72°/87°	-	50°

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