Illinois Marathon
Champaign-Urbana, IL, USA • April 25, 2026
Race Day Weather
46°
64° high
Windy
Dry
Cool morning, warming afternoon
Runners will face temperatures starting at 47°F and rising to 64°F by the finish. Wind will be from the SSE at 15 mph, with gusts up to 28 mph, adding a challenge. With humidity at 60%, runners should consider adjusting their pace as the day warms, particularly in the later stages.
Race day forecast available in 21 days
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Distance: 26.2mi
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FAQ
When is the 2026 Illinois Marathon?
The 2026 Illinois Marathon will be held on Saturday April 25, 2026.
Is the Illinois Marathon a Boston Marathon Qualifier?
Yes, the Illinois Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Illinois Marathon?
The forecast calls for a high of 64°F and a low of 46°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
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