In 3 days · Sat, Oct 31, 2026
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Saturday, October 31st, 2026
285 N Seven Hills Rd, O'fallon IL
5K
45–61°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
39–61°F
dry
2024
49–71°F
rain
2023
29–41°F
dry
2022
50–60°F
dry
2021
45–58°F
dry
2020
39–60°F
dry
2019
31–38°F
rain
2018
51–68°F
rain
2017
32–44°F
dry
2016
56–73°F
dry
Best months to race in Illinois →
Race-day forecast · Saturday, Oct 31
Rain likely · 60–73°F
Saturday, Oct 31starts near 60°F · 11% chance of rain · wind up to 13 mph
About this race
COSTUME CONTEST, 5K RUN/WALK, & KID'S FUN RUN!!
Join us in your favorite Halloween costume for O’Fallon’s Howling Habitat for Humanity 5K Run/Walk and the Kids’ Fun Run. Enjoy a festive route that winds past five Habitat for Humanity homes, celebrating the spirit of community with every step. Run, walk, howl—and help build hope this Halloween!
The Jennifer Mueller Foundation will provide pancakes at the finish line!
REGISTER BY OCT.14 TO BE GUARANTEED OUR UNIQUE T-SHIRT!
Event details and schedule
Packet Pickup will be at Toolen's Running Start, (3220 Green Mt Crossing Dr, O'Fallon, IL 62269), on Oct. 30, 2026 12:00-4:30p.m. or between 7:00-8:00a.m. before the race on Oct. 31, 2026.
This event will take place rain or shine and sorry, no refunds.
Virtual runners must pick up their shirts and are not eligible for prizes.
Course map
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Run clubs near O'fallon to train with before race day.
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