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Heatwave Half Marathon - San Antonio

Name: Heatwave Half Marathon - San Antonio
Start: 2026-08-01
End: 2026-08-01
Location: San Antonio, Texas

location_city San Antonio

location_on Texas

flag United States

calendar_today 01 Aug, 2026

directions_run Running

language Official Website

About the Event

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!)

Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!

Races Offered

Other

Aug 01, 2026

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Distance — Other

terrain

Type — Road running

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213 days remaining

5K

Aug 01, 2026

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Distance — 5K

terrain

Type — Road running

timer

213 days remaining

10K

Aug 01, 2026

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Distance — 10K

terrain

Type — Road running

timer

213 days remaining

Half-Marathon

Aug 01, 2026

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Distance — Half-Marathon

terrain

Type — Road running

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213 days remaining

Ultra

Aug 01, 2026

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Distance — Ultra

terrain

Type — Road running

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213 days remaining

Weather Overview

These values represent the 3-year monthly averages for August in San Antonio.

Temp (°C)

Feels Like (°C)

thermostat 25.5° / 36.9°

wb_sunny 28.6° / 37.3°

Wind (km/h)

Humidity (%)

air 11.4 /

water_drop 58.7%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 25.5° / 36.9°

wb_sunny 28.6° / 37.3°

air 11.4 km/h

water_drop 58.7%

About San Antonio

San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.