Missouri · Half Marathon · 50m · 1 Mile
Heatwave Half Marathon - St. Louis
Heatwave Half Marathon - St. Louis is a half marathon, 50m, 1 Mile, 5K and 10K event held in St. Louis, Missouri. Its next confirmed date is Saturday, July 31, 2027. About 10 runners take part across all distances.
- Race day
- July 31, 2027
- Location
- St. Louis, MO
- Field size
- ~10 runners
Race details
- Date
- Saturday, July 31, 2027
- Location
- St. Louis, Missouri
- Distances
- Half Marathon, 50m, 1 Mile, 5K, 10K
- Field size
- About 10 runners
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:00 AM CDT
- Course profile
- Loop course; Road surface
About the Heatwave Half Marathon - St. Louis
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 ea…
More half marathons in Missouri
Coming up next, by confirmed date.
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MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles, MOMarathonHalf Marathon42.195K21.0975K +2 more ~3,000 runners
More races in St. Louis
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Coyote Crawl 5K and Head for the Hills 10KSt. Louis, MO10K (In-Person)10K - No Shirt/No Medal5K (In-person)5K - No Shirt/No Medal Option +2 more ~250 runners
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St. Louis Track Club Frostbite SeriesSt. Louis, MORotating winter distances incl. 5K10K15K20K +2 more ~200 runners
More upcoming races in Missouri
Keep exploring
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Heatwave Half Marathon - St. Louis: common questions
- When is the Heatwave Half Marathon - St. Louis?
- The next confirmed date is Saturday, July 31, 2027.
- Where is the Heatwave Half Marathon - St. Louis held?
- In St. Louis, Missouri.
- What distances does the Heatwave Half Marathon - St. Louis offer?
- Half Marathon, 50m, 1 Mile, 5K and 10K.
- How many people run the Heatwave Half Marathon - St. Louis?
- About 10 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Heatwave Half Marathon - St. Louis?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Heatwave Half Marathon - St. Louis?
- Yes — registration is open. Listed fee for the longest distance, $17 (from runsignup.com, checked October 30, 2026).
- What time does the Heatwave Half Marathon - St. Louis start?
- 7:00 AM CDT.
- What is the course like at the Heatwave Half Marathon - St. Louis?
- Loop course; Road surface.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.