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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

Open Door Charity
Open Door Charity
Offering free, fast, and effective mental health support to help young people and adults thrive.
Brain Tumour Ireland
Brain Tumour Ireland
A charity founded by a small group of people caring for a family member who was sadly lost to a brain tumour in early 2012.
Pernicious Anaemia Society
Pernicious Anaemia Society
We provide information, help and support to sufferers of Pernicious Anaemia.
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.
Living Life Counselling
Living Life Counselling
Mental health support for those that most need it.
Service Dogs UK
Service Dogs UK
We train and provide assistance dogs from rescue for members of the armed forces and emergency services suffering with PTSD.
USPCA
USPCA
Ending the cruelty inflicted on defenceless wildlife.
Crohn’s and Colitis Ireland
Crohn’s and Colitis Ireland
Ireland’s leading charity in the battle against Crohn’s Disease and Ulcerative Colitis.
BRACE - Dementia Research
BRACE - Dementia Research
We believe in a world free from dementia. support us now.
Alive and Kicking
Alive and Kicking
Providing ethical jobs for people from communities facing disadvantage.
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Chicago Marathon FAQs