Races Half marathon · Chicago, USA
Chicago Spring Half Marathon
Chicago Spring Half Marathon is a flat half marathon in Chicago, USA, held each May. Starts on Columbus Drive, south of Monroe Street, and follows the Lakefront Trail for most of the distance. The organiser calls it extremely flat, with views of the skyline and the Museum Campus. Mid-May mornings on the Chicago lakefront are cool to mild, typically 8 to 19°C, with a breeze off Lake Michigan. The Chicago Spring Half Marathon's flat profile means your pacing discipline, not the terrain, decides the day.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
May
every year
Course
flat
Half marathon
Conditions
Mid-May mornings on the Chicago lakefront are cool to mild, typically 8 to 19°C, with a breeze off Lake Michigan.
Racing this course well
Starts on Columbus Drive, south of Monroe Street, and follows the Lakefront Trail for most of the distance. The organiser calls it extremely flat, with views of the skyline and the Museum Campus.
The Chicago Spring Half Marathon's flat profile means your pacing discipline, not the terrain, decides the day.
Getting a place
Official Chicago Spring Half Marathon site →Checked November 2026
Race day
- Start time
- 07:00
- Also on the day
- 5k
The course in numbers
Most of the route is on the lakefront path beside Lake Michigan, so wind off the lake is the main variable.
- Surface
- Mostly the Lakefront Trail, a paved shared path
Pick your goal for Chicago
Pace charts, weekly structure and timelines for the most common half marathon goals:
We don’t hold a confirmed date for this edition, so any countdown comes from the date you enter here.
Build your training around Chicago Spring Half Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Chicago Spring Half Marathon?
- It is held each May in Chicago, USA. Check the official Chicago Spring Half Marathon site for the exact date and entry windows.
- Is the Chicago Spring Half Marathon course flat?
- Starts on Columbus Drive, south of Monroe Street, and follows the Lakefront Trail for most of the distance. The organiser calls it extremely flat, with views of the skyline and the Museum Campus.
- How should I train for the Chicago Spring Half Marathon?
- Build for the course you'll actually race at the Chicago Spring Half Marathon: flat terrain, May conditions. RunV Premium builds a training plan around your goal time and race date, and lets you adapt it when life interrupts the Chicago build.
Not sure what to target? Predict your half marathon time from a recent race →
More half marathon races
Supplements research for this distance
Build for Chicago — around your actual life
RunV engineers your block backwards from race day in May — and adapts it when training doesn't go to script. You approve every change.
