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Texas Half Marathons in September

This is the calendar of all the Texas half marathons in September. On these race calendars, not only will you be able to search the basics of cities and dates, but you’ll also be able to find September Texas half marathons by difficulty, scenery, race size, and attributes like whether it’s pet-friendly, stroller-friendly, or has a great finisher party.

If you can’t find the half marathon you’re looking for in Texas in September, it’s possible the race has not updated their date to the current year or has switched months. If you know a race belongs on this calendar or have any edits you’d like to suggest for an existing race in Texas in September, you can email us [email protected].

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Filter Texas Half Marathons

The Trailway Trail Race Marathon Half Marathon 10k & 5k logo
September 10, 2026
1-100 runners
Somerville, Texas
September 12, 2026
1-100 runners
Lubbock, Texas
Alamo Beer Series - Battle of Salado Creek logo
September 12, 2026
500-1000 runners
San Antonio, Texas
Mellow Trail Race Marathon Half Marathon 10k & 5k logo
September 12, 2026
100-500 runners
Spicewood, Texas
Paris Pair 100k 50k Half Marathon 10k & 5k logo
September 19, 2026
1-100 runners
Paris, Texas
September 20, 2026
100-500 runners
Irving, Texas
Rock of Ages Half Marathon 10k & 5k logo
September 27, 2026
100-500 runners
Fort Worth, Texas

Running in Texas

Looking for a comprehensive guide to half marathons across the U.S. and the world? You’ve found it! Browse our list of Texas half marathon races by state and month.
You can also view our most popular Texas city half marathons in our Dallas Half Marathon Calendar, Houston Half Marathon Calendar, and Austin Half Marathon Calendar.
You can also find as tips on training for a race, reviews submitted by runners around the country, and other training resources.

FAQ

What are rules of marathon?

Distance of 42.195km;
The maximum gradient allowed on a marathon course is 1/1000;
The roads used for marathon races must remain closed to vehicles in all directions;
The marathon must be run on road, and no soft ground is allowed;
The start signal is made with a horn;

Do you drink water during a marathon?

The American College of Sports Medicine recommends drinking 5 to 12 ounces of fluids every 15 to 20 minutes during a marathon, although this is often difficult to accomplish and can result in over hydration if your sweat loss is low.

What not to eat after a marathon?

Try to avoid foods that promote inflammation such as high sugar foods, highly processed foods, and most red meats. Give yourself that post-marathon treat meal but then really aim to fight inflammation through your foods the rest of the week.

What are the most popular half marathons in Texas?

The most popular Texas half marathons are the BMW Dallas Half Marathon, the Chevron Houston Half Marathon, and the 3M Austin Half Marathon.

Which Texas half marathons have the best views?

A few of the most scenic half marathons in Texas include the Piney Woods Ultra in Tyler, the Barrier Island Ultra in Mustang Island, the Mosaic Trail Half Marathon.

What are the easiest Texas half marathons?

When looking for the easiest Texas half marathons, we recommend races that have flat courses, crowd support, and high race production. For those reasons, the BMW Dallas Half Marathon, the Chevron Houston Half Marathon, and the 3M Austin Half Marathon are the easiest half marathons and accessible to beginners.

Which months can I run a half marathon in Texas?

You can run a half marathon in Texas in January, February, March, May, June, July, August, September, October, November, and December.

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