The most comprehensive list of Half Marathons in and near Chicago, Illinois in 2025 - 2026. Find your perfect race!

If you're looking to step up your running game in Illinois, Chicago is the place to be for half marathons. The city's flat terrain and enthusiastic running community create the perfect environment for 13.1-mile races all year round.

Chicago's half marathon events are ideal whether you're moving up from shorter distances like 10k runs or training for the big one - the Chicago Marathon. You'll find a wide variety of well-organized races winding through the city's diverse neighborhoods, from scenic lakefront paths to lively urban streets.

Spring and fall are prime time for half marathons in the Windy City, thanks to the milder weather. But don't count out winter and summer! Unique challenge events in the colder months and early morning races in the warmer ones mean you can find your perfect race no matter the season. Many events offer pace groups and top-notch course support, making them great options for first-time half marathoners graduating from 5ks.

Ready to find your perfect Chicago half marathon? Use the search filters above to narrow down your options by date, price range, or specific neighborhood. Word to the wise - popular spring and fall races can fill up fast, so don't wait too long to register!

Looking for other distances?

• 5k Races in Chicago

• Chicago 10k Events

• Chicago Marathon Races

• Trail Runs in Chicago

Races Nearby:

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• Michigan 13.1 Mile Races

• All Illinois runs