Heatwave Half Marathon - St. Louis

Sat, Aug 1, 2026, 7:00 AM CDT

Location: St. Louis, MO; TBD, 63101
Type: RUN

At a glance

A sun-soaked summer challenge in St. Louis with distances for everyone, featuring great swag, free photos, and refreshing ice cream at the finish.

Great for

Kids & Youth
Walkers Welcome

Embrace the summer warmth at the Heatwave Half Marathon in St. Louis, offering distances for every pace, including a 10K, 5K, 1 Mile, and a Kid's Dash. This sun-soaked event is crafted for family enjoyment, promising a lively atmosphere with thoughtful amenities. Whether you're aiming for a personal best or simply seeking a fun day out with loved ones, this race provides a welcoming challenge and plenty of opportunities to cool down at the finish line.

What to expect

Run a Half Marathon, 10K, 5K, 1 Mile, or join the Kid's Dash.
Enjoy chip-timing, live results, and awards for competitive runners.
Cool off with complimentary ice cream and receive a designer shirt and custom medal.

Standout details

Free ice cream at the finish
Designer shirt & custom finisher medal
Complimentary race photos
Youth-based pricing & Kid's Dash

Perks & features

Medal
Swag Included

From the public listing — confirm on the official site.

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

8 options

Registration for all distances is through the official signup link above.

50m
Sat, Aug 1, 7:00 AM CDT · From $20.83
Opens Dec 1, 2024, 1:00 AM CST · Closes Aug 1, 2026, 3:15 AM CDT
1 Miles
Sat, Aug 1, 7:00 AM CDT · From $25.98
Opens Dec 1, 2024, 1:00 AM CST · Closes Aug 1, 2026, 3:15 AM CDT
5K
Sat, Aug 1, 7:00 AM CDT · From $36.28
Opens Nov 17, 2024, 7:00 PM CST · Closes Aug 1, 2026, 3:15 AM CDT

+ 5 more options

10K
Sat, Aug 1, 7:00 AM CDT · From $36.28
Opens Dec 1, 2024, 1:00 AM CST · Closes Aug 1, 2026, 3:15 AM CDT
13.1 Miles
Sat, Aug 1, 7:00 AM CDT · From $54.28
Opens Oct 20, 2024, 8:52 AM CDT · Closes Aug 1, 2026, 3:15 AM CDT
13.1 Miles
Sat, Aug 1, 7:00 AM CDT · From $54.28
Opens Oct 20, 2025, 8:52 AM CDT · Closes Aug 1, 2026, 3:15 AM CDT
Volunteer Then Run
Sat, Aug 1, 7:00 AM CDT · From $20.83
Opens Dec 1, 2024, 1:00 AM CST · Closes Aug 1, 2026, 3:15 AM CDT
Virtual Race
Sat, Aug 1, 7:00 AM CDT · From $46.28
Opens Dec 1, 2024, 1:00 AM CST · Closes Aug 1, 2026, 3:15 AM CDT

Vibe Check

Steady Effort

long distance + warm-day exposure

Rolling area
Warm season

The course

Rolling
Walkers welcome

From the organizer

Join us for the Heatwave Half Marathon, 10K, & 5K! A sun-soaked summer challenge that’s perfect for the whole family.

The fun includes –

Great Swag – designer shirt & custom medal Chip-timing with live results and awards Free photos FREE ice cream at the finish to help you cool off Plenty of hot fun in the summer sun! Grab your friends and family—you won’t want to miss this one!

Can’t make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!

Youth-based pricing is available: ages 12 & under are only $17!

Half Marathon/10K/5K registration includes a custom bib, designer shirt, and an awesome finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal! Kid’s Dash is a fun, untimed dash for ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specially crafted medal for our youngest runners! (If your child wants to run the kid’s dash without swag, they’re welcome to run free on race day!)

Heatwave Half Marathon - St. Louis

At a glance

Distances & registration

Vibe Check

The course

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