Runners will face temperatures starting at 63°F and rising to 72°F, with humidity at 74% and a dew point of 58°F. A light wind from the W will provide some relief at 10 mph, with gusts reaching 16 mph. Runners should adjust their pace conservatively and ensure hydration is a priority throughout the race.
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Distance: 26.2mi
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Race Info
The Kentucky Derby Festival Marathon starts in downtown Louisville on Main Street and finishes near Preston and Witherspoon streets, close to the waterfront. Runners pass through Old Louisville, the scenic Olmsted Park System, and get a unique chance to run through Churchill Downs. The 42.195 kilometer course presents moderate elevation changes, with noteworthy hills in Iroquois Park.
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.
What will the weather be like for the 2026 Kentucky Derby Festival Marathon?
The forecast calls for a high of 72°F and a low of 62°F with a 69% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
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.
