Mustang Marathon (Hill Country Trivium) Road Race
Marble Falls' Mustang Marathon offers a challenging Texas Hill Country road race with pie for finishers.
Race Date
Nov 8, 2026
Location
Marble Falls, TX
Quick facts
- Date
- Sunday, November 8, 2026
- Location
- Marble Falls, Texas
- Distance
- Half marathon (13.1 mi) + 50K, 26.2 Miles, 10K, 5K, 1 Miles
- Course
- Out & Back
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Mustang Marathon, formerly the Hill Country Trivium, unfolds in the scenic Texas Hill Country town of Marble Falls. Runners tackle a true out-and-back course on country roads, featuring rolling hills and formidable climbs that offer gorgeous views.
All races, from the 5K to the 50K, commence and conclude at Mustang Stadium. This event is known for its unique finisher reward: a slice of pie from the legendary Bluebonnet Cafe. While participants receive quality swag, including shirts for early registration, the real prize is the challenging yet rewarding experience in this beautiful part of Texas.
Race-provided description
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.
Logistics
Race Day
Sunday, November 8, 2026
Start Time
7:00 AM
Giveaway
Shirt
Start Location
2101 Mustang Dr, Marble Falls, TX, 78654
Course Info
Course Type
Out & Back
Terrain
road
Scenery
Rural
Surface
Paved
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources · 12 photos
no finisher data yet
no winner time yet
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
55°
Afternoon (High)
75°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
70%
Humidity
Race Photos
Frequently asked
When is the Mustang Marathon (Hill Country Trivium) Road Race?
The Mustang Marathon (Hill Country Trivium) Road Race is held on Sunday, November 8, 2026, starting at 7:00 AM.
Where does the Mustang Marathon (Hill Country Trivium) Road Race take place?
It takes place in Marble Falls, Texas.
What distances does the Mustang Marathon (Hill Country Trivium) Road Race offer?
The half marathon (13.1 miles), plus 50K, 26.2 Miles, 10K, 5K, 1 Miles.
Is the Mustang Marathon (Hill Country Trivium) Road Race course flat and good for a PR?
The Mustang Marathon (Hill Country Trivium) Road Race is a rolling hills, out & back course.
HalfRuns editorial — independent, no paid placement.
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