Road running · World Marathon Majors · ★ IconicChicago Marathon 2027
Sunday, October 10, 2027
🇺🇸 Chicago · United States
The events
Elite athletes start: a pro podium will be published.
When to start training
For a marathon, the Cadevia Coach plans 18 weeks of training: ideal start on Monday, June 7, 2027, and no later than Monday, July 19, 2027.
Tools for this race
Frequently asked questions
When is Chicago Marathon 2027?
Chicago Marathon 2027 takes place on Sunday, October 10, 2027, in Chicago (United States). Date read on October 15, 2026 from its official source.
When should I start training for Chicago Marathon?
For a marathon, allow 18 weeks of training (12 at the very least). For Sunday, October 10, 2027, the ideal start is Monday, June 7, 2027.
Where can I see the results?
The organiser publishes the results on its official results page.
Does Cadevia organise this race?
No. Cadevia is a training app: we read the dates from the official sources to help you choose and prepare your race. Entries are handled by the organiser.
Where
🇺🇸 Chicago · United States
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Road: around the same time
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Where this comes from
Date and place read on October 15, 2026 from its official source.
Results: official results page.
Cadevia does not organise this race. Spotted a mistake? Tell us.
Places: GeoNames (CC BY 4.0) and © OpenStreetMap contributors (ODbL). Base map: Natural Earth (public domain). Logos belong to their organisers and are shown so each race is easy to recognise — Cadevia has no link with them, and any logo is removed on request. Flags: flag-icons (MIT licence).