2025 - Haunted Halloween Half Marathon & 5km
2025 distances
Running
H^3 Half Marathon
8:25am race start Runners encouraged to race in costume! Halloween-themed bib and shirt Matching themed finisher's medal Timing splits at 5k, 10k-ish, 10M
H^3 5k
8:40am race start Runners encouraged to race in costume! Halloween-themed bib and shirt Matching themed finisher's medal
Race-day weather
Conditions on October 26, 2025 — historical Open-Meteo data.
The sun rises at 7:16 AM and sets at 5:52 PM local time (CDT) in Chicago on October 26, 2025 — 10h 36m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Chicago
Different organizers, within 40 miles, in the next three months
Haunted Halloween Half Marathon & 5km
New Balance Untamed Relay Presented by Fleet Feet
Jingle Bell Run - Chicago, IL
Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K
🏃 Plan Your Next Race in Chicago
Find upcoming events by distance:
- Chicago 5K Races 134 races
- 10K Run Events in Chicago 62 races
- Chicago Half Marathons 51 races
- Marathons in Chicago 4 races
- Chicago Running Calendar 2026 147 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 149 Chicago events
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