Kentucky Derby Festival Marathon

Louisville, KY, USA • April 25, 2026

Race Day Weather

52°

69° high

Breezy

Dry

Cool start, warming trend

Runners will face a temperature rise from 52°F to 69°F, with humidity at 58% and a dew point of 45°F. Light winds from the S throughout, peaking at 11 mph with gusts to 25 mph. Runners should consider adjusting their pace as temperatures increase, particularly after the halfway mark.

Race day forecast available in 24 days

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Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

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Weather Adj.

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Common Goals:

Course Map

FAQ

When is the 2026 Kentucky Derby Festival Marathon?

The 2026 Kentucky Derby Festival Marathon will be held on Saturday April 25, 2026.

Is the Kentucky Derby Festival Marathon a Boston Marathon Qualifier?

Yes, the Kentucky Derby Festival Marathon is an official Boston Marathon qualifier.

What is the time limit for the Kentucky Derby Festival Marathon?

The time limit for the Kentucky Derby Festival Marathon is 8 hours.

Historical Weather

Based on 28 years of data

Avg Temp

68°F

L:54° H:69°

RunScore

Conditions

Rain Freq

32%

9 of 28 yrs

Wind10mph

Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Kentucky Derby Festival Marathon Partly cloudy throughout the day with early morning rain. 2025	53°/60°	-	46°
2024 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2024	70°/79°	-	57°
2023 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2023	48°/64°	-	50°
2022 Kentucky Derby Festival Marathon Partly cloudy throughout the day with late afternoon rain. 2022	61°/80°	-	55°
2021 Kentucky Derby Festival Marathon Cloudy skies throughout the day with rain. 2021	52°/55°	Light	45°
2020 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain. 2020	52°/65°	Light	53°
2019 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain. 2019	49°/65°	Light	37°
2018 Kentucky Derby Festival Marathon Clear conditions throughout the day. 2018	54°/63°	-	38°
2017 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain clearing later. 2017	66°/80°	Light	65°
2016 Kentucky Derby Festival Marathon Cloudy skies throughout the day with rain. 2016	59°/63°	Light	56°
2015 Kentucky Derby Festival Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2015	51°/58°	Light	50°
2014 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2014	50°/74°	-	39°
2013 Kentucky Derby Festival Marathon Cloudy skies throughout the day with late afternoon rain. 2013	53°/59°	-	47°
2012 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain. 2012	52°/79°	-	47°
2011 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2011	52°/77°	-	47°
2010 Kentucky Derby Festival Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2010	61°/72°	Light	61°
2009 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2009	71°/86°	-	50°
2008 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain clearing later. 2008	54°/67°	Light	46°
2007 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2007	56°/75°	-	48°
2006 Kentucky Derby Festival Marathon Partly cloudy throughout the day with rain. 2006	55°/63°	Light	47°
2005 Kentucky Derby Festival Marathon Partly cloudy throughout the day with early morning rain. 2005	48°/56°	-	45°
2004 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2004	54°/70°	-	52°
2003 Kentucky Derby Festival Marathon Clear conditions throughout the day. 2003	45°/70°	-	35°
2002 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2002	50°/61°	-	37°
2001 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 2001	48°/81°	-	46°
1999 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 1999	46°/64°	-	38°
1998 Kentucky Derby Festival Marathon Partly cloudy throughout the day. 1998	63°/73°	-	53°
1988 Kentucky Derby Festival Marathon Clear conditions throughout the day. 1988	46°/70°	-	33°