Belleville Main Street Marathon
Belleville, IL, USA • September 26, 2026
Race Day Weather
59°
79° high
Light
Dry
Warm day, steady winds ahead
Runners will face a temperature rise from 59°F to 79°F, with humidity averaging 66%. Winds will be from the SSW at 8 mph, with gusts up to 25 mph. Runners should start conservatively and hydrate frequently as temperatures climb.
Race day forecast available in 177 days
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Distance: 26.2mi
0:00:00
HH:MM:SS
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
FAQ
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.
What will the weather be like for the 2026 Belleville Main Street Marathon?
The forecast calls for a high of 79°F and a low of 59°F with a 0% chance of rain.
Historical Weather
Based on 9 years of data
Avg Temp
80°F
L:57° H:80°
RunScore
Conditions
Rain Freq
11%
1 of 9 yrs
Wind7mph
Dew57°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 53°/85° | - | 56° | |
2024 |  | 66°/76° | Light | 62° | |
2023 | | 63°/89° | - | 65° | |
2022 | | 53°/84° | - | 57° | |
2021 | | 51°/73° | - | 51° | |
2019 | | 66°/78° | - | 67° | |
2018 | | 51°/70° | - | 46° | |
2017 | | 48°/75° | - | 44° | |
2016 | | 65°/89° | - | 68° |
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