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Due to an unforeseen permitting issue with the city of Chicago, we are forced to cancel this year's Chicago Costume Dash.

Your registration will automatically be refunded in full. Please allow up to 30 days for the refund to appear on your credit card statement. 

If you have any questions, please email us at


The Chicago Costume Dash Team

Race Rules

  1. Everyone is strongly encouraged to wear a costume. Costumes must be worn during the race to be eligible to win a prize in the costume contest.
  2. Racers must be at least 10 years old.
  3. NO REFUNDS under any circumstances.
  4. All participants must sign a waiver of liability.
  5. Prices are subject to change without notice.
  6. If there is severe weather that prevents the event from being held at all on Saturday, it will be moved to Sunday. If severe weather persists on Sunday, it will be moved to a later weekend date.
  7. No weapons are allowed as part of a costume.
  8. In addition to the top three overall male and female winners, awards will be presented to the top male and female finisher in the following age groups:
    < 14
Costume Contest

Costume Contest

A costume contest will be held post-race, which includes special prizes and swag for the best costumes as selected by crowd applause, so be sure to go all out! To be eligible to win in the costume contest, you must wear your costume during the race.

Charity Partner

We are excited to announce the American Cancer Society® as our new official charity partner! We're extremely proud to join the Society and help save lives from cancer. Want to help? Simply set up a fundraising account and let your friends know that you're participating in Costume Dash not only because it's crazy fun, but because you're doing your part to help the Society free the world from the pain and suffering of cancer!

The funds you raise will enable the Society to provide patients, their families, and caregivers with cancer information, day-to-day help, and emotional support, as well as allow the Society to conduct groundbreaking research and fund pioneering scientists.

Want to help but don't have time to fundraise? You can also make a one-time donation to the Society when you register online for Costume Dash!