Knoxville Marathon

Knoxville, TN, USA • April 12, 2026
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Race Day Weather

partly-cloudy-day
50°
71° high
Breezy
Dry

Cool start, warming trend

Runners will face a starting temperature of 50°F, gradually rising to 69°F by race's end. Wind will be light at 8 mph from the S, with occasional gusts up to 28 mph. Given the humidity at 61%, runners should consider a conservative start and hydrate regularly to maintain performance.

Race day forecast available in 16 days
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Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
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Common Goals:
Area Map

Course Map

Course Map Unavailable

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FAQ

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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.

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 Knoxville Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2025
rain
61°/64°Light
6

2024 Knoxville Marathon

Clear conditions throughout the day.

2024
clear-day
40°/66°-
8

2023 Knoxville Marathon

Clear conditions throughout the day.

2023
clear-day
38°/59°-
8

2021 Knoxville Marathon

Partly cloudy throughout the day.

2021
partly-cloudy-day
66°/80°-
7

2019 Knoxville Marathon

Clear conditions throughout the day with rain clearing later.

2019
clear-day
41°/48°-
8

2018 Knoxville Marathon

Cloudy skies throughout the day with early morning rain.

2018
cloudy
44°/57°-
8

2017 Knoxville Marathon

Clear conditions throughout the day.

2017
clear-day
46°/71°-
8

2016 Knoxville Marathon

Clear conditions throughout the day.

2016
clear-day
39°/53°-
8

2015 Knoxville Marathon

Clear conditions throughout the day.

2015
clear-day
26°/51°-
7

2014 Knoxville Marathon

Clearing in the afternoon with early morning rain.

2014
partly-cloudy-day
37°/53°-
8

2013 Knoxville Marathon

Partly cloudy throughout the day.

2013
partly-cloudy-day
52°/70°-
7

2012 Knoxville Marathon

Partly cloudy throughout the day with afternoon rain.

2012
cloudy
52°/73°-
8

2011 Knoxville Marathon

Clear conditions throughout the day.

2011
clear-day
38°/73°-
8

2010 Knoxville Marathon

Partly cloudy throughout the day with rain.

2010
cloudy
53°/60°Light
6

2009 Knoxville Marathon

Cloudy skies throughout the day with early morning rain.

2009
cloudy
44°/46°-
6

2008 Knoxville Marathon

Cloudy skies throughout the day with early morning rain.

2008
cloudy
49°/57°-
9

2007 Knoxville Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2007
rain
64°/70°Light
6

2006 Knoxville Marathon

Partly cloudy throughout the day.

2006
clear-day
27°/47°-
7

2005 Knoxville Marathon

Partly cloudy throughout the day.

2005
partly-cloudy-day
41°/58°-
9
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