Elevation Profile
Course shape · ApproximateFlat and fast. The course loops through 29 of Chicago's famous neighborhoods.
Course Map
Start & Finish
Start: Grant Park, Columbus Drive, Chicago
Finish: Grant Park, Chicago
Corral start system — Wave 1 at 07:30, subsequent waves every few minutes
Race Conditions
October in Chicago averages 10–15°C (50–59°F). Lake Michigan winds can be a factor.
How to Enter
Lottery registration. Opens in October previous year, results in February.
Getting There
Fly into O'Hare (ORD) or Midway (MDW). CTA Red and Green lines serve Grant Park.
Recent Champions
Men's Open| Year | Runner | Country | Time |
|---|---|---|---|
| 2025 | Jacob Kiplimo | Uganda  | 2:02:23 |
| 2024 | John Korir | Kenya  | 2:02:44 |
| 2023 | Kelvin Kiptum CR | Kenya | 2:00:35 |
| 2022 | Benson Kipruto | Kenya | 2:04:24 |
| 2021 | Seifu Tura | Ethiopia  | 2:06:12 |