Belleville Main Street Half Marathon

Belleville, IL, USA · October 23, 2027·
partly-cloudy-day51°·54° high·Light·Dry
10
Register

Race Day Weather

partly-cloudy-day
51°at start
63° high
Breezy
Dry
Your goal
0:00:00

Comfortable temps, warming through the race

Mild 51°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 63°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing. Moderate humidity at 70% is worth noting for effort level, especially in later miles.

Race day forecast available in 337 days
partly-cloudy-night10
partly-cloudy-night10
partly-cloudy-night10
partly-cloudy-day10
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day7
partly-cloudy-day7

Pace Calculator

13.1mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

Get forecast alerts for Belleville Main Street Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Belleville Main Street Half Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The Belleville Main Street Half Marathon covers 13.1 miles entirely on Belleville, Illinois city streets, including America's longest Main Street, starting and finishing near Public Square in downtown Belleville. The course turns around on 95th Street, marked by a yellow feather flag, roughly halfway through the route.

Race weekend

Saturday, October 23
7:00 AMMarathon (26.2 mi)
7:00 AMHalf Marathon (13.1 mi)

FAQ

When is the 2027 Belleville Main Street Half Marathon?

The 2027 Belleville Main Street Half Marathon will be held on Saturday October 23, 2027.

What is the time limit for the Belleville Main Street Half Marathon?

The time limit for the Belleville Main Street Half Marathon is 3.5 hours.

What will the weather be like for the 2027 Belleville Main Street Half Marathon?

The forecast calls for a high of 66°F and a low of 47°F with a 9% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 11 years of data
Avg Temp
61°F
L:58° H:65°
RunScore
6
Conditions
Rain Freq
18%
2 of 11 yrs
Wind4mph
Dew57°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-day
62°/63°Light
6
2025
clear-day
53°/65°-
7
2024
rain
66°/67°Light
5
2023
clear-day
63°/71°-
5
2022
clear-day
53°/63°-
7
2021
clear-day
51°/60°-
8
2020
cloudy
64°/66°-
5
2019
clear-day
66°/72°-
4
2018
partly-cloudy-day
51°/53°-
10
2017
clear-day
48°/58°-
9
2016
clear-day
65°/74°-
4