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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 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.
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.
Nicholls Spinal Injury Foundation
Nicholls Spinal Injury Foundation
Funding research which could potentially lead to breakthrough treatment for spinal injury
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.
Amicii Dog Rescue
Amicii Dog Rescue
Rehabilitating and rehoming dogs from the UK and mainland Europe, mainly from Spain and Romania.
London Cycling Campaign
London Cycling Campaign
We campaign so that everyone can enjoy cycling safely in London.
Alice Ruggles Trust
Alice Ruggles Trust
Fostering generations of young people who understand the potential risks of stalking, and what they can do about it.
Asthma Society of Ireland
Asthma Society of Ireland
Our mission is to stop asthma deaths in Ireland.
Rainbow Trust Children's Charity
Rainbow Trust Children's Charity
Supporting families who have a child with a life-threatening or terminal illness.
Restless Development
Restless Development
Supporting the journey of a young person to become a leader and to multiply that leadership in their communities.
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Chicago Marathon FAQs