Heart of America Marathon

Columbia, MO, USA · September 7, 2026

81°·102° high·Breezy·Dry

Weather

Race Day Weather

81°at start

105° high

Breezy

Dry

Hot conditions, hydrate frequently

Runners will face temperatures starting at 82°F and peaking at 106°F, with a consistent average humidity of 32%. Light winds from the W will be present, but will not significantly affect performance. Runners should adjust their pace conservatively and prioritize hydration throughout the race.

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Distance: 26.2mi

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0:00:00

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Race Info

The Heart of America Marathon, established in 1960, is the second-oldest continuously running marathon in the United States. This challenging race features a 26.2-mile course that begins and ends at the Boone County History and Culture Center in Columbia, Missouri. Runners navigate approximately 5.5 miles of well-maintained gravel roads and trails, including the scenic Katy Trail along the Missouri River, and face the renowned Easley Hill. The event is known for its community-focused, low-frills atmosphere, emphasizing heat, hills, and humidity as integral parts of the race experience.

Website

Course Map

FAQ

When is the 2026 Heart of America Marathon?

The 2026 Heart of America Marathon will be held on Monday September 7, 2026.

Is the Heart of America Marathon a Boston Marathon Qualifier?

Yes, the Heart of America Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Heart of America Marathon?

The forecast calls for a high of 106°F and a low of 78°F with a 19% chance of rain.

Historical Weather

Based on 10 years of data

Avg Temp

82°F

L:65° H:82°

RunScore

Conditions

Rain Freq

0 of 10 yrs

Wind10mph

Dew64°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Heart of America Marathon Partly cloudy throughout the day. 2025	62°/74°	-	56°
2024 Heart of America Marathon Clear conditions throughout the day. 2024	56°/76°	-	52°
2023 Heart of America Marathon Clear conditions throughout the day. 2023	73°/93°	-	72°
2022 Heart of America Marathon Partly cloudy throughout the day. 2022	70°/74°	-	68°
2019 Heart of America Marathon Clearing in the afternoon. 2019	61°/80°	-	65°
2018 Heart of America Marathon Partly cloudy throughout the day. 2018	74°/89°	-	71°
2017 Heart of America Marathon Clear conditions throughout the day. 2017	69°/89°	-	70°
2016 Heart of America Marathon Clear conditions throughout the day. 2016	65°/87°	-	67°
2010 Heart of America Marathon Clear conditions throughout the day. 2010	63°/83°	-	54°
2006 Heart of America Marathon Partly cloudy throughout the day. 2006	59°/77°	-	61°