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Mustang Marathon (Hill Country Trivium) Road Race
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Mustang Marathon (Hill Country Trivium) Road Race

Marble Falls, Texas, United States
Nov 08, 2026
Trail running

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.

Pick your distance

Trail running

Mustang Marathon 50k

Nov 08, 2026 Ultra 7:00 AM
$120.00
Open

Mustang Marathon 26.2mi

Nov 08, 2026 Marathon 7:00 AM
$110.00
Open

Mustang Marathon 13.1mi

Nov 08, 2026 Half-Marathon 7:00 AM
$90.00
Open

Mustang Marathon 10k

Nov 08, 2026 10K 8:00 AM
$65.00
Open

Mustang Marathon 5k

Nov 08, 2026 5K 8:30 AM
$40.00
Open

Mustang Marathon Youth 1-Mile Run (12 & Under)

Come join us for the Hill Country Trivium Youth 1-Mile Race. The Youth Run is for Kids 12 & under and will be sure to please our youngest runners quest for adventure! The distance is approximately 1 mile and parents may run with their kids at no cost. Each young runner gets a finisher's medal! **T-shirts are not included but are available for purchase for $15 during registration.

Nov 08, 2026 1.6K 9:30 AM
$10.00
Open

Typical race-day weather

Based on 7 years of historical conditions on this event's race dates in Marble Falls.

Temp (°C)
Minimum temperature (race-day average) 12.8° / Maximum temperature (race-day average) 24.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 12.8° / Maximum feels like — heat index / wind chill (race-day average) 24.8°
Wind (km/h)
Average wind speed (race-day average)
18.5
Precip (mm)
Average precipitation (race-day average)
0.3mm
Humidity
Average relative humidity (race-day average)
68.4%

About Marble Falls

Mustang Marathon (Hill Country Trivium) Road Race takes place in Marble Falls, Texas, United States. The local timezone is America/Chicago.

View on Google Maps

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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.

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