Heart of America Marathon

Columbia, MO, USA · September 7, 2026
clear-day69°·83° high·Breezy·Dry
7
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Race Day Weather

clear-day
69°at start
88° high
Breezy
Dry

Warm and humid, adjust pace early

Runners will face a start temperature of 71°F, climbing to a high of 89°F by the end. With average humidity at 69% and a dew point of 65°F, conditions will feel muggy throughout. Despite light winds from the southeast, runners should plan to pace conservatively early on and hydrate frequently to manage the heat as they progress into the later laps.

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Distance: 26.2mi
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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.

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 is the time limit for the Heart of America Marathon?

The time limit for the Heart of America Marathon is 6 hours.

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

The forecast calls for a high of 90°F and a low of 68°F with a 6% chance of rain.

Historical Weather

Based on 10 years of data
Avg Temp
80°F
L:65° H:80°
RunScore
6
Conditions
Rain Freq
0%
0 of 10 yrs
Wind9mph
Dew64°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
62°/73°-
8
2024
clear-night
56°/74°-
8
2023
clear-night
73°/91°-
6
2022
cloudy
70°/74°-
8
2019
fog
61°/78°-
8
2018
cloudy
74°/87°-
7
2017
clear-night
69°/87°-
7
2016
clear-night
65°/85°-
7
2010
clear-night
63°/81°-
7
2006
fog
59°/72°-
8