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Mustang Marathon (Hill Country Trivium) Road Race

Date
November 8, 2026
Distance
Mustang Marathon 50k · Mustang Marathon 26.2mi · Mustang Marathon 13.1mi & more

From the Organizer

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.

Distances & Pricing

Mustang Marathon 50k7 AMRegister →
Mustang Marathon 26.2mi7 AMRegister →
Mustang Marathon 13.1mi7 AMRegister →
Mustang Marathon 10k8 AMRegister →
Mustang Marathon 5k8:30 AMRegister →
Mustang Marathon Youth 1-Mile Run (12 & Under)9:30 AMRegister →

Race Location

About This Sport

From Endurance Grid's Founder

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.

Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.

The half marathon rewards people who show up for the boring training miles.

How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the Mustang Marathon (Hill Country Trivium) Road Race?
Mustang Marathon (Hill Country Trivium) Road Race is a running event held in Marble Falls, TX. Learn more about the different endurance sports here.
When and where is the Mustang Marathon (Hill Country Trivium) Road Race?
Sunday, November 8, 2026 in Marble Falls, TX at 2101 Mustang Dr, Marble Falls, TX. Check the official event page for exact start times and wave schedules.
How do I register for the Mustang Marathon (Hill Country Trivium) Road Race?
Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.

Mustang Marathon (Hill Country Trivium) Road Race

Nov 8, 2026

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