HALL-EAU-WEEN 5K
Friday, October 30, 2026 | 6:30 PM | Eau Claire, Wisconsin
A Halloween 5K in Eau Claire, Wisconsin
This year’s hall-EAU-ween 5K is SOLD OUT with 1,500 Participants. You can join the waitlist still.
Celebrate Halloween with a 5K that's more about fun than finish times! The hall-EAU-ween 5K is a family-friendly Halloween run and walk in Eau Claire, Wisconsin, filled with costumes, spooky surprises and plenty of Halloween spirit.
Run it, walk it, dress up or bring the whole family—this untimed 5K is designed for everyone to enjoy.
hall-EAU-ween 5K Quick Links
2026 hall-EAU-ween 5K Swag
Your 2026 hall-EAU-ween 5K registration includes the finisher medal and our cozy black-and-white checkered hall-EAU-ween blanket—perfect for a chilly October night!
Run All Four. Earn the Chair!
Participate in or volunteer at all four ECM 5K Race Series events—hall-EAU-ween, ho H-EAU ho, xox-EAU and f-EAU-rth of July—and earn the exclusive ECM 5K Race Series Chair!
Race Day Details
Get answers to common questions about costumes, registration, awards, race-day logistics, and everything you need for a fun-filled Hall-Eau-Ween 5K experience.
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The hall-EAU-ween 5K starts in the Forest Street Gardens (534 Forest St)
The hall-EAU-ween 5K finishes in Phoenix Park (300 Riverfront Terrace)
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Street parking or the North Barstow Parking Ramp (370 Galloway St)
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The hall-EAU-ween 5K is a fun, untimed event where the costumes steal the show.
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Yes! Walkers are welcome.
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Yes, the course is dark, we strongly encourage participants to bring a flashlight or headlamp to help navigate the course safely.
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Not required, encouraged! There will be prizes awarded for crowd favorite costumes in various categories!
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There will be spooky areas along the course.
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Yes!!
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If your child is riding along and would like race swag and/or a medal at the finish line, please register them individually. If they do NOT want race swag and/or a medal, you do NOT have the register them.
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Not for the hall-EAU-ween 5K but if you’re interested in a kids’ race, please check out ho h-EAU ho 5K and/or f-EAU-rth of July 5K!
We also have the Cheri Uelmen’s Fantastically Fun Kids’ Run Marathon Weekend.
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Not for the hall-EAU-ween 5K but if you’re interested in running with your dog, check out the f-EAU-rth of July 5K + dog run!
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If space allows, yes!
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We offer tiered pricing, so the sooner you register, the more you'll save! Prices increase on the following dates:
Early Bird: Through July 12th
Tier 2: July 13th - August 31st
Tier 3: September 1st - October 11th
Final Pricing: October 12th - Race Day
Check the registration page for current pricing and availability.
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Good news — you have an option! You can switch to virtual.
Here's how to make the change:
Log into your account here: https://manage.hakuapp.com/login/eau-claire-marathon-organization
Click on Your Events
Click on View Registration
Click on Registration Options(bottom right corner)
Complete your category switch to virtual
With the virtual option, you'll still get the same finisher swag and medal.
If you run into any trouble making the switch online, you can email info@eauclairemarathon.com for help.
**We do not offer refunds or deferrals for the ECM 5K Race Series.
Run, Explore, Connect
Explore Eau Claire, connect with the local running community, and discover events and resources that keep you moving all year long.
Ready for a Frightfully Fun 5K?
Put on your favorite costume, gather your friends and family, and join us for one of Eau Claire's most spirited fall traditions. The Hall-Eau-Ween 5K is the perfect mix of fitness, fun, and Halloween excitement.