Road running

Heatwave Half Marathon - Greater Chicago

📅 August 1, 2027 (estimated date)📍 Darien · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (August 2, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

13.1 mi6.2 mi3.1 mi1 mi50 m

About

The Heatwave Half Marathon - Greater Chicago takes place in Darien on August 1, 2027, with a half marathon (13.1 miles / 21.1 km), a half marathon relay, a 10K and a 5K, all starting at 7:00 a.m. This family-friendly endurance event features chip-timed races, live results and awards, free event photos and free ice cream at the finish.

Participants receive a personalized bib, a designer T-shirt and a finisher medal. A virtual race option is available, along with youth pricing for younger participants. Extra activities include an untimed one-mile run and a Kids Dash, which comes either with special goodies or as a free entry without them.

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Races nearby

Other upcoming races around Darien.