Knoxville Marathon

Knoxville, TN, USA · April 11, 2027·

50°·64° high·Light·Dry

Weather

Race Day Weather

50°at start

69° high

Breezy

Dry

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Cool start, warming up gradually

Runners will face a starting temperature of 50°F, gradually rising to 68°F by the finish. With max wind at 8 mph from the SW, it will feel light. Humidity sits at 57%, and while there’s a light rain potential, it’s not expected to impact the race significantly. Adjust pacing as temperatures rise, especially after the halfway mark.

Race day forecast available in 163 days

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Distance: 26.2mi

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Race Info

The Knoxville Marathon is a spring race weekend in Knoxville, Tennessee, with a marathon, half marathon, 5K, four-person relay and kids run. The marathon and half marathon start at 7:30 AM on Sunday and run through several of the city's neighborhoods. The marathon course is a Boston Marathon qualifier.

Website

Race weekend

Saturday, April 10

7:00 PM5K (3.1 mi)

Sunday, April 11

7:30 AMMarathon (26.2 mi)

7:30 AMHalf Marathon (13.1 mi)

7:30 AM4-Person Marathon Relay (26.2 mi)

Course Map

FAQ

When is the 2027 Knoxville Marathon?

The 2027 Knoxville Marathon will be held on Sunday April 11, 2027.

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 2027 Knoxville Marathon?

The forecast calls for a high of 70°F and a low of 48°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 21 years of data

Avg Temp

49°F

L:45° H:54°

RunScore

Conditions

Rain Freq

14%

3 of 21 yrs

Wind5mph

Dew40°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Knoxville Marathon Partly cloudy throughout the day. 2026	52°/71°	-	53°
2025 Knoxville Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2025	61°/63°	Light	61°
2024 Knoxville Marathon Clear conditions throughout the day. 2024	38°/57°	-	36°
2023 Knoxville Marathon Clear conditions throughout the day. 2023	38°/50°	-	35°
2022 Knoxville Marathon Clear conditions throughout the day. 2022	35°/43°	-	20°
2021 Knoxville Marathon Partly cloudy throughout the day. 2021	64°/75°	-	66°
2019 Knoxville Marathon Clear conditions throughout the day with rain clearing later. 2019	41°/43°	-	33°
2018 Knoxville Marathon Cloudy skies throughout the day with early morning rain. 2018	43°/48°	-	41°
2017 Knoxville Marathon Clear conditions throughout the day. 2017	42°/59°	-	43°
2016 Knoxville Marathon Clear conditions throughout the day. 2016	39°/45°	-	18°
2015 Knoxville Marathon Clear conditions throughout the day. 2015	26°/40°	-	19°
2014 Knoxville Marathon Clearing in the afternoon with early morning rain. 2014	37°/44°	-	29°
2013 Knoxville Marathon Partly cloudy throughout the day. 2013	48°/66°	-	40°
2012 Knoxville Marathon Partly cloudy throughout the day with afternoon rain. 2012	52°/63°	-	54°
2011 Knoxville Marathon Clear conditions throughout the day. 2011	38°/59°	-	35°
2010 Knoxville Marathon Partly cloudy throughout the day with rain. 2010	55°/60°	Light	46°
2009 Knoxville Marathon Cloudy skies throughout the day with early morning rain. 2009	46°/46°	-	35°
2008 Knoxville Marathon Cloudy skies throughout the day with early morning rain. 2008	49°/51°	-	47°
2007 Knoxville Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2007	64°/65°	Light	61°
2006 Knoxville Marathon Partly cloudy throughout the day. 2006	27°/42°	-	26°
2005 Knoxville Marathon Partly cloudy throughout the day. 2005	41°/52°	-	39°