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;

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.

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.

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

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.

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.

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

You can run Texas half-marathon events in Allen, Austin, Bastrop, Benbrook, Brownsville, Bryan, Buda, Cat Spring, Cedar Park, Cleburne, College Station, Colorado Springs, Corpus Christi, Cuero, Dallas, Denison, Dripping Springs, El Paso, Farmersville, Fort Worth, Galveston, Garden Ridge, Georgetown, Grand Prairie, Harlingen, Helotes, Houston, Irving, Junction, Keller, La Porte, Longview, Lubbock, Lufkin, Marathon, Marble Falls, McAllen, Midland, Mineral Wells, Murphy, Needville, New Braunfels, Paris, Port Aransas, San Antonio, San Felipe, San Marcos, Shiner, Somerville, Spicewood, Sugar Land, The Colony, Victoria, Waco, Weatherford, and Whitewright.