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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

Restless Development
Restless Development
Supporting the journey of a young person to become a leader and to multiply that leadership in their communities.
Dundalk Dog Rescue
Dundalk Dog Rescue
Help us help them because every dog deserves a loving family.
Crohn’s and Colitis Ireland
Crohn’s and Colitis Ireland
Ireland’s leading charity in the battle against Crohn’s Disease and Ulcerative Colitis.
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.
Action For Elders
Action For Elders
Action for Elders supports people and encourages them to exercise and become active.
Mental Health Foundation
Mental Health Foundation
Support us to create good mental health for all
Claire House Children's Hospice
Claire House Children's Hospice
Helping seriously & terminally ill children live life to the full.
USPCA
USPCA
Ending the cruelty inflicted on defenceless wildlife.
Rainbow Trust Children's Charity
Rainbow Trust Children's Charity
Supporting families who have a child with a life-threatening or terminal illness.
St Peter's Hospice
St Peter's Hospice
Support local patient care in Bristol and surrounding areas
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Chicago Marathon FAQs