Runners will face temperatures starting at 64°F, climbing to 75°F by the finish, with average humidity at 73%. Winds will be light at 8 mph from the W, with gusts up to 15 mph. Hydration is crucial, and runners should consider adjusting their pace to conserve energy in the warmer conditions.
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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 76°F and a low of 62°F with a 73% 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.
