Sunday, November 8, 2026 · 7:00 AM · Marble Falls, Texas
Mustang Marathon (Hill Country Trivium) Road 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.
- Time limit
- No time limit listed by the organizer
- Walkers
- Not mentioned — ask the organizer
- Terrain
- rolling hills
- Certified
- Not stated
Pulled from the organizer's own race description — per the organizer, not independently verified.
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Source
Race details on this page come from RunSignup and the official race website.
Race details can change and mistakes can be made. Always verify the race website for the most complete and accurate information. Report an error on this page.
Doability details — walkers welcome, time limit, terrain, and course certification — are read from the organizer's own description and haven't been independently verified.
Are you the race organizer, or did you spot something wrong?
Mustang Marathon (Hill Country Trivium) Road Race
Nov 8, 2026 · $13.05-$129.10