Chicago, IL · Sun, October 11, 2026 · 07:30
Projected at race day for M 18-34, from your 4:00:00 marathon + training runway.
Registration / lottery closes Sun, November 30, 2025
World Major. Flat. Drawing ~25% accept; charity option $2,200 min.
The Bank of America Chicago Marathon is a marathon held in Chicago, IL on October 11, 2026. With a Green Score of 8.1/10, it's one of the easier, more beginner-friendly US races. The course is pancake-flat (~8 ft of gain per mile). Typical race-day weather is a mild 56°F, dew point ~50°F (10-year normal). It is a Boston-qualifying course. Entry is around $250. Marathon Compass rates every race across terrain, climate, logistics, travel, and field size so you can find the one that fits you — and build a training plan tuned to your fitness.