Belleville Main Street Marathon

Belleville, IL, USA • September 26, 2026
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Race Day Weather

partly-cloudy-day
59°
79° high
Light
Dry

Warm afternoon, moderate humidity

Runners will face temperatures rising from 59°F to 79°F, with average humidity at 66%. A light wind from the SSW at 8 mph will provide some cooling, but gusts up to 25 mph could affect pacing. It's advisable to start conservatively and hydrate frequently as conditions warm.

Race day forecast available in 184 days
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Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
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Weather Adj.
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Common Goals:

The Belleville Main Street Marathon offers runners a unique experience through historic Belleville, Illinois, featuring America's longest Main Street and scenic paved trails. The full marathon is a USTAF-certified Boston Marathon qualifier, ideal for runners of all experience levels. Post-race festivities include local pizza, a special brew, and live music, all contributing to the event's festive atmosphere. Source

Area Map

Course Map

Course Map Unavailable

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FAQ

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When is the 2026 Belleville Main Street Marathon?

The 2026 Belleville Main Street Marathon will be held on Saturday September 26, 2026.

Is the Belleville Main Street Marathon a Boston Marathon Qualifier?

Yes, the Belleville Main Street Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 9 years of data
Avg Temp
80°F
L:57° H:80°
RunScore
7
Conditions
Rain Freq
11%
1 of 9 yrs
Wind7mph
Dew57°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 Belleville Main Street Marathon

Clear conditions throughout the day.

2025
clear-day
53°/85°-
7

2024 Belleville Main Street Marathon

Partly cloudy throughout the day with rain clearing later.

2024
rain
66°/76°Light
6

2023 Belleville Main Street Marathon

Clear conditions throughout the day.

2023
clear-day
63°/89°-
7

2022 Belleville Main Street Marathon

Clear conditions throughout the day.

2022
clear-day
53°/84°-
8

2021 Belleville Main Street Marathon

Clear conditions throughout the day with early morning rain.

2021
clear-day
51°/73°-
8

2019 Belleville Main Street Marathon

Clearing in the afternoon.

2019
clear-day
66°/78°-
8

2018 Belleville Main Street Marathon

Partly cloudy throughout the day.

2018
partly-cloudy-day
51°/70°-
9

2017 Belleville Main Street Marathon

Clear conditions throughout the day.

2017
clear-day
48°/75°-
8

2016 Belleville Main Street Marathon

Clear conditions throughout the day.

2016
clear-day
65°/89°-
7
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