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Heatwave Half Marathon - St. Louis

📅 July 31, 2027 (estimated date)📍 St. Louis · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (August 1, 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 - St. Louis is a family-oriented endurance event in St. Louis with a half marathon, a 10K and a 5K on the program. The half marathon (13.1 miles / 21.1 km), half marathon relay, 10K (6.2 miles), 5K (3.1 miles), 1-mile (1.6 km) race and Kids Dash (50 m) all start at 7:00 a.m. on July 31, 2027.

The races feature chip timing, live results, an awards presentation, free event photos and free ice cream at the finish. Each finisher takes home a personalized bib, a designer T-shirt and a medal. A virtual option is offered, and young participants get reduced rates. The lineup also includes an untimed 1-mile run and a kids' race with special goodies, or a free entry option without them.

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