Grant Trail, St. Louis MO
Saturday, August 1st, 2026
Race Overview
Join us for the Heatwave Half Marathon, 10K, & 5K! A sun-soaked summer challenge that’s perfect for the whole family.
Event Highlights
- Great Swag: designer shirt & custom medal
- Chip-timing: with live results and awards
- Free Photos: capture your race experience
- FREE Ice Cream: at the finish to help you cool off
Fun for Everyone
Grab your friends and family—you won’t want to miss this one!
Virtual Race Option
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 Pricing
Youth-based pricing is available: ages 12 & under are only $17!
Registration Details
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!)
Registration Deadline
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Race Information
Heatwave Half Marathon - St. Louis
Date: 2026-08-01
Location: Grant Trail, St. Louis, MO.
Hit the trails ready
The traction, hydration, and lighting the trail calls for.
Top pick
New Balance Men's 410 V8 Trail Running Shoe
$69.95
Honey Stinger Organic Fruit Smoothie Energy Gel, Gluten Free & Caffeine Free, for Exercise, Running and Performance, Sports Nutrition for Home & Gym, Pre and Mid Workout, 12 Pack, 13.2 Ounce
$16.96
Nathan SpeedDraw Plus Insulated Handheld Water Bottle – Grip-Free Running Flask for Runners, Hiking, and Sports
$34.99
Body Glide Original Anti Chafe Balm | No Chafing Stick | Prevent Arm, Chest, Butt, Thigh, Ball Chafing & Irritation | Trusted Skin Protection Since 1996 |1.5oz
$11.00
SWIFTVEST Running Vest for Women & Men with Water Bottle | Lightweight Hydration Vest | Reflective Running Gear | Adjustable Fit | 6 Pockets | Phone Holder for Runners
$35.99
GADIEMKENSD Quick Drying Running Hat Summer Cooling Baseball Cap UPF50+ Sports Sun Caps Breathable Mesh Lightweigh Dad Hats Unstructured for Golf Workout Hiking Gym Travel Camp Pink S/M 6 7/8-7 1/4
$13.99
Course Map
Train for this race
Find a local run club
Run clubs in St. Louis, MO host weekly group runs — a great way to prep for race day.
