The marathon loops from and back to Grant Park. The linked runner guide covers 2026: check registration, bib collection and start access for your edition.
The Marathon de Chicago page brings together published data for this running route.
The route is listed from Grant Park, Chicago, รtats-Unis to Grant Park, Chicago, รtats-Unis, with 43 km and 19 m D+ on the page.
Listed organiser: Chicago Event Management.
Start / area
Grant Park, Chicago, รtats-Unis
Finish
Grant Park, Chicago, รtats-Unis
Distance
43 km
Elevation gain
19 m D+
GPX track and calculated values
Calculated values for this track: 43 km of distance calculated from the GPX track ยท 19 m ascent calculated from GPX elevations.
These track measurements remain separate from the organiser's figures and depend on the GPX version and sampling.
Source-page value: 42.2 km; distance calculated from the GPX: 43 km.
Sources reviewed
Official sources: 4 ยท sources with a recorded review date: 5. Updates from the organiser always take precedence.
Latest recorded check: 6 November 2026.
Frequently asked questions
Is the Marathon de Chicago GPX available?
Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.
Do these details replace the organiser's instructions?
No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.
The course page describes about 20 aid stations with water, sports drink, toilets and medical help; the linked map is for 2026. Check their locations for your edition.
Checks before the start
Read the official rules for your edition.
Check registration and bib collection.
Plan transport to the start and from the finish.
Check the schedule, cutoffs and start-area access.
Locate aid stations and plan your fueling.
Compare this reference track with the organiserโs course.
Differences and information still uncertain
These items are shown explicitly so an approximation is never presented as official data.
The GPX is an unofficial reconstructed reference and may differ from your edition.
Check aid-station locations, supplies and schedules with the organiser.
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