Lock into rhythm
Use flat-road marathon-pace work to practice holding an even effort without relying on terrain changes for recovery.
Chicago Marathon training plan for 2027
Chicago, United States • Confirmed date: 10 October 2027
World Marathon Majors • America/Chicago
Start with a marathon plan prefilled for race day, then refine the schedule around your current running, available days, and goal. Use miles and min/mile pace or kilometres and min/km.
Training plans that adapt to real life.
What to know before training for Chicago Marathon.
A flat, high-energy city marathon with broad streets, big crowds, and weather that can range from ideal to warm.
Chicago can be fast, but fall marathon preparation still needs enough summer consistency and heat-aware pacing practice.
Date source: https://www.chicagomarathon.com/
Training focus
Use steady mileage, long-run fueling practice, and controlled race-pace blocks while adjusting hard sessions for hot training days.
Race week
Check the forecast and adjust expectations early. A warm Chicago day rewards restraint more than ambition.
Plan setup
The builder above starts with the marathon distance selected and the race date. After generating, adjust your weekly mileage, long run, and training days so the first week matches your real starting point.
Registration
How to prepare for the Chicago Marathon course.
Flat city course. Use these priorities to make the general marathon schedule more specific to race day.
Prepare through summer
Adjust hard sessions for heat while keeping long-run and fueling practice consistent through the build.
Stay weather-aware
Check race-week conditions before committing to a goal pace because Chicago can produce very different autumn weather.
Official course information: https://www.chicagomarathon.com/runners/course-amenities/
United States race training plans
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Marathon training plans
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Pace calculator
Convert goal times and paces before setting a marathon target.
Chicago Marathon training questions
How many weeks until the Chicago Marathon?
The Chicago Marathon is on 10 October 2027. As of 4 November 2026, that is 48 weeks and 4 days away.
How many weeks should I train for the Chicago Marathon?
Most marathon runners should allow at least 16 to 20 weeks, depending on current fitness, weekly mileage, and race goals. EzyRun starts with the race date selected so you can generate a realistic schedule and adjust it after previewing the first week.
Is the Chicago Marathon a fast marathon course?
A flat, high-energy city marathon with broad streets, big crowds, and weather that can range from ideal to warm.
What should I focus on when preparing for the Chicago Marathon?
Use steady mileage, long-run fueling practice, and controlled race-pace blocks while adjusting hard sessions for hot training days.
What is a good race-week tip for the Chicago Marathon?
Check the forecast and adjust expectations early. A warm Chicago day rewards restraint more than ambition.
Training for another marathon?
Compare race-specific preparation pages for major, candidate, city, and destination marathons.