Chicago Marathon takes place on Sun, Oct 11, 2026 in Chicago, United States. The main route is 42.2 km.
- Date
- Sun, Oct 11, 2026
- Start
- Chicago 🇺🇸
- Distance
- 42.2 km
- Climbing
- 57 m
- Level
- Open to all
Toe the line at Chicago Marathon in your best shape
A training plan built around your fitness and this race, adapted every day as your form changes. Attach the course and it prepares for the climbs too.
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The Bank of America Chicago Marathon is known for its flat and fast course that starts and finishes in Grant Park and travels through 29 vibrant neighborhoods.
What this race demands
The Chicago Marathon demands sustained cardiovascular endurance and pacing discipline over a 42.2 km distance on a flat course.
Sustained Aerobic Power
Covering 42.2 km requires a high fractional utilization of VO2 max and strict pacing control to avoid early fatigue.
Impact Durability
Running continuous pavement for over forty kilometers places significant repetitive stress on joints, requiring strong structural resilience.
A target intake of 60 to 90 grams of carbohydrates per hour should be maintained to support glycogen stores over the multi-hour effort.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
3:45–4:35
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Frequently asked questions
When is Chicago Marathon?
Chicago Marathon takes place on Sun, Oct 11, 2026 in Chicago, United States.
How long is Chicago Marathon?
The main route is 42.2 km.
What does Chicago Marathon demand?
The Chicago Marathon demands sustained cardiovascular endurance and pacing discipline over a 42.2 km distance on a flat course.
How much climbing does Chicago Marathon have?
Chicago Marathon has 57 m of climbing.
Who is Chicago Marathon for?
Chicago Marathon is open to all participants.
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