Illinois Marathon

Champaign-Urbana, IL, USA • April 25, 2026

Race Day Weather

46°

64° high

Windy

Dry

Cool conditions, steady pace

Runners will face temperatures starting at 47°F and rising to 64°F. Wind will be from the SSW at 15 mph with gusts up to 28 mph, creating a headwind throughout. With humidity at 60% and a comfortable dew point, maintaining a steady pace will be key for optimal performance.

Race day forecast available in 29 days

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Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

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Pace

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Weather Adj.

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Common Goals:

Course Map

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.

Historical Weather

Based on 2 years of data

Avg Temp

67°F

L:56° H:67°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind19mph

Dew53°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score	Results
2025 Illinois Marathon Partly cloudy throughout the day. 2025		48°/60°	-	41°
2024 Illinois Marathon Partly cloudy throughout the day with rain. 2024		64°/75°	-	62°