Belleville Main Street Marathon
Belleville, United States of America · Saturday 26 September 2026
The Belleville Main Street Marathon is held in Belleville, Illinois, with the race starting and finishing on Main Street near First Street in the city's historic downtown. The event is located approximately 20 minutes from downtown St. Louis, Missouri, and features both a full marathon (42.195 km) and a half marathon (21.1 km) option. The full marathon route covers about 16 miles of city streets including a segment on America's longest continuous Main Street and approximately 10 miles on the St.
Difficulty Calculator
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:m
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Adjusted Time
4:28:22
Time difference: +28.4 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain192m
Elevation High196m
Elevation Low142m
Weather Forecast
High29°C
Low13°C
Chance of Rain0%
How hard is Belleville Main Street Marathon?
Very Difficultharder than 82% of marathons
Flattest / easiestHardest
On our difficulty model, Belleville Main Street Marathon plays about 29 minutes slower than an average road marathon for a 3:30 runner. It ranks #202 hardest of 1150 marathons we analyse, and #117 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Belleville Main Street Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Belleville Main Street Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:20:00 | +20:00 |
| 3:30:00 | 3:54:09 | +24:09 |
| 4:00:00 | 4:28:22 | +28:22 |
| 4:30:00 | 5:02:39 | +32:39 |
| 5:00:00 | 5:37:03 | +37:03 |
| 5:30:00 | 6:11:34 | +41:34 |
| 6:00:00 | 6:46:12 | +46:12 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Belleville Main Street Marathon 2026 Course Analysis
Belleville Main Street Marathon is a full marathon held in Belleville, United States of America. It is scheduled for Saturday 26 September 2026. The course is run on mixed surface with 192m of total climbing, with its high point near 196m above sea level. For registration and full race details, visit the official Belleville Main Street Marathon website.
Elevation Profile
With 192m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Moderate temperatures between 13°C and 29°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Mixed
Belleville Main Street Marathon features a mixed-surface course, combining sections of road with unpaved terrain such as gravel paths, parkland, or boardwalks. Mixed courses add variety but also introduce some unpredictability in footing. Expect slightly slower times than on a pure road course, and road-trail hybrid shoes may be the best footwear option.
Looking for an easier marathon or a tougher challenge? You can also compare Belleville Main Street Marathon against other marathons to find the right race for your goals.
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