Pace the real Chicago Marathon course

Flat and fast — but heat and humidity still set your ceiling.

Weather-adjusted finish

Goal 3:30:00, right on your goal for 56°F, 46°F dew point — flat preview until you unlock the real Chicago Marathon hills below. Adjust the inputs below for your race.

Distance

Goal finish time

Temp °F

Dew pt °F

Your pace curve

Every mile's target pace, adjusted for grade and weather.

Unlock the real Chicago Marathon course — free

Your email swaps this flat preview — and your pace band — for real GPS elevation data. Instantly — no verification code needed.

A few training emails follow, tied to your race date. One-click unsubscribe. Privacy

Chicago Marathon — real GPS elevation26.2mi · 49ft climb

Enter race details to see your pace curve.

Finish Time--

Avg Pace--

Easiest Mile--

Hardest Mile--

Unlock the real Chicago Marathon course — free

Your email swaps this flat preview — and your pace band — for real GPS elevation data. Instantly — no verification code needed.

A few training emails follow, tied to your race date. One-click unsubscribe. Privacy

Your pace band

Mile-by-mile pace and split times for race day.

Factored in

Finish timeTemperature

Your band prints once this plan is built.

Your band prints with the real Chicago Marathon hills — unlock above.

Pace check · Free→Real courses · Email→Full race plan · Free

Build my plan

The guided plan adds your own GPX course, race-date weather, and a mile-by-mile band built for your goal.