Tunnel Hill Marathon

Vienna, IL, USA • November 14, 2026

Race Day Weather

38°

55° high

Breezy

Dry

Cool conditions, steady winds

Runners will face a temperature rise from 38°F to 55°F during the race, with a maximum wind speed of 8 mph coming from the S. Humidity averages at 63% with a dew point of 35°F. Runners should dress in layers to adjust to the warming trend and remain mindful of the wind gusts for pacing adjustments.

Race day forecast available in 215 days

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Pre-raceRace windowPost-race

Course Map

FAQ

When is the 2026 Tunnel Hill Marathon?

The 2026 Tunnel Hill Marathon will be held on Saturday November 14, 2026.

Is the Tunnel Hill Marathon a Boston Marathon Qualifier?

Yes, the Tunnel Hill Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Tunnel Hill Marathon?

The forecast calls for a high of 55°F and a low of 38°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data

Avg Temp

60°F

L:49° H:61°

RunScore

Conditions

Rain Freq

67%

2 of 3 yrs

Wind9mph

Dew37°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Tunnel Hill Marathon Partly cloudy throughout the day with morning rain. 2025	42°/44°	Light	30°
2024 Tunnel Hill Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2024	66°/74°	Light	61°
2023 Tunnel Hill Marathon Clear conditions throughout the day. 2023	40°/65°	-	34°

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