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Chicago Marathon 2025

2025 sold out. Enquire now for 2026

  • US Chicago, Illinois
  • 12 October 2025
  • Marathon
Chicago Marathon 2025
Why run it?

Part of the World Marathon Majors, running the Bank of America Chicago Marathon is the pinnacle of achievement for elite athletes and everyday runners alike. The race starts and finishes in Grant Park, and travels through one of the world’s most magnificent cities. With ideal weather conditions, dry with highs of 67°F (19°C), this marathon is an unmissable and highly in-demand event.

Please note, as realbuzz is an international partner of the Bank of America Chicago Marathon, we will not be able to offer places to US residents. 

What's it like to run?

Runners:
40000
Surface:
Road
Start:
07:30
Course:
Flat & Fast
Temp:
10-19°C
Distance:
Marathon

Charity partners you can support in this event include

Brain Research UK
Brain Research UK
Theleading national funder dedicated to research into neurological conditions.
The Skye High Foundation
The Skye High Foundation
Supporting families during and after the loss of a twin, triplet, or multiples.
Children's Health Foundation
Children's Health Foundation
Children’s Health Foundation’s mission is to help provide world-class facilities, research and compassionate loving care for every sick child in Ireland.
Open Door Charity
Open Door Charity
Offering free, fast, and effective mental health support to help young people and adults thrive.
The Big Food Project
The Big Food Project
At The Big Food Project, we’ve seen how hunger deeply affects individuals and families in our communities.
Sandy Bear Children's Bereavement Charity
Sandy Bear Children's Bereavement Charity
Providing services to all children and young people who have, or who are likely to suffer a bereavement in Wales.
Dougie Mac
Dougie Mac
Delivering excellent, compassionate care to people approaching end of life.
Nicholls Spinal Injury Foundation
Nicholls Spinal Injury Foundation
Funding research which could potentially lead to breakthrough treatment for spinal injury
Asthma Society of Ireland
Asthma Society of Ireland
Our mission is to stop asthma deaths in Ireland.
Liverpool Heart and Chest Hospital Charity
Liverpool Heart and Chest Hospital Charity
We are one of the largest specialist heart and lung centres in the UK with over 115,000 people depending on our services every year.
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Chicago Marathon FAQs