The 2026 Knoxville Marathon has concluded.

Knoxville Marathon

Race complete
Knoxville, TN, USA · April 12, 2026
clear-day50°·81° high·Breezy·Dry
7
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Race Day Weather

clear-day
50°at start
84° high
Breezy
Dry

Warm afternoon, steady winds

Runners will face a temperature rise from 50°F to 82°F, with average humidity at 67% and a dew point of 54°F. Winds will come from the SSW at 12 mph, adding some resistance. Runners should start conservatively and adjust their pace as temperatures increase, ensuring adequate hydration throughout the race.

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Distance: 26.2mi
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Race Info

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FAQ

When is the 2026 Knoxville Marathon?

The 2026 Knoxville Marathon will be held on Sunday April 12, 2026.

Is the Knoxville Marathon a Boston Marathon Qualifier?

Yes, the Knoxville Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Knoxville Marathon?

The forecast calls for a high of 84°F and a low of 50°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 19 years of data
Avg Temp
60°F
L:45° H:61°
RunScore
8
Conditions
Rain Freq
16%
3 of 19 yrs
Wind7mph
Dew41°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
61°/64°Light
6
2024
clear-day
40°/66°-
8
2023
clear-day
38°/59°-
8
2021
partly-cloudy-day
66°/80°-
7
2019
clear-day
41°/48°-
8
2018
cloudy
44°/57°-
8
2017
clear-day
46°/71°-
8
2016
clear-day
39°/53°-
8
2015
clear-day
26°/51°-
7
2014
partly-cloudy-day
37°/53°-
8
2013
partly-cloudy-day
52°/70°-
7
2012
cloudy
52°/73°-
8
2011
clear-day
38°/73°-
8
2010
cloudy
53°/60°Light
6
2009
cloudy
44°/46°-
6
2008
cloudy
49°/57°-
9
2007
rain
64°/70°Light
6
2006
clear-day
27°/47°-
7
2005
partly-cloudy-day
41°/58°-
9