Mustang Marathon (Hill Country Trivium) Road Race
About this race
Sunday, November 8th, 2026.
Are you ready for one of the most challenging & amazing road races in all of Texas? The Mustang Marathon (formerly known as The Hill Country Trivium) is a set of 50k, full marathon, half marathon (a.k.a. "Thirteener"), 10k & 5k races held in the beautiful Hill Country town of Marble Falls. Each race takes place on a paved surface involving a true "Out & Back" course on country roads with rolling hills, formidable climbs & gorgeous views. All races begin & end at the Marble Falls High School’s Mustang Stadium. In addition to various race perks, all finishers will receive pie from the legendary Bluebonnet Cafe upon crossing the finish line!
While every racer will get some cool swag, October 16th is the deadline to get a shirt.
Ready to test your limits? The Mustang Marathon (Hill Country Trivium) Road Race brings a highly anticipated Ultra, Marathon, Half-Marathon, 10K, 5K, 1.6K to Marble Falls on November 6, 2022. Expect a fantastic route right in the heart of Texas.
Pick your distance
Trail running
Hill Country Trivium 50k
Hill Country Trivium 26.2mi
Hill Country Trivium Thirteener (13.1mi)
Hill Country Trivium 10k
Hill Country Trivium 5k
Phoenix Family Fun Run
Come on out for the 1 mile kids and family Phoenix Fun Run which will be held on Sunday. It can be done at any time with a parent, and will likely be .5 miles out and .5 miles back. Ask at Packet Pickup for details about the race course. All ages are welcome to participate in this untimed FREE event. Bring your jogging strollers as the run will loop around on a dirt road, surrounded by the Texas Hill Country, next to the Marble Falls High School. Every participant will receive a finisher’s award. Come early and stay after and enjoy hill country food vendors as well as lots of fun kid’s activities. The run will be a family event, benefiting The Phoenix Center, a local non-profit organization, whose mission is to provide high-quality, affordable mental health care for local children and families. Donations are welcome! To learn more about the phoenix center, please visit www.phoenixcentertexas.org.
About Marble Falls
Mustang Marathon (Hill Country Trivium) Road Race takes place in Marble Falls, Texas, United States. The local timezone is America/Chicago.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.