
Saturday, May 23rd, 2026
4000 Shaw Dr., Marble Falls TX
Marathon · Half
About this race
Austin's Backyard Marathon
How Far Will You Go?
"So, the last shall be first, and the first last"
Texas Hill Country Paradise
Nestled in the heart of the Texas Hill Country, our event takes place near Lago Vista, just 30 miles northwest of Austin. The course winds around a peninsula jutting into Lake Travis, offering stunning water views and the natural beauty of Central Texas. Experience the perfect blend of challenging terrain and breathtaking landscapes that will keep you motivated hour after hour.
Event Information
Join us for Austin's Backyard Marathon & Memorial Day Remembrance Run, a unique endurance event that allows you to push your limits in the beautiful Hill Country. This officially sanctioned Backyard Ultra is not just a race, it's a test of mental fortitude, strategic pacing, and physical endurance that will challenge you in ways you've never experienced.
The Backyard Ultra Format
Last Person Standing Challenge
- Course: This is an officially sanctioned Backyard Ultra. Complete each 4.167-mile loop within 60 minutes to continue. A new loop starts at the top of each hour.
- Structure: The Austin Backyard Ultra utilizes a dual-course strategy to manage the unique physical and mental demands of a last-person-standing event.
- Transition: The transition between the Day and Night loops marks a pivotal shift in the race's narrative.
- Course Design: The course is split into two distinct environments to address changing light conditions and runner safety.
Memorial Day Remembrance Run
- Own Goals: While the last runner standing wins the overall championship and qualifying spot, you are welcome to participate according to your own goals.
- Achievements: Complete 1 loop (4-miles) for a woodallion, 4 loops for half marathon medal, 7 loops for marathon medal, or 8+ loops for ultra medal.
- Fast Pace: Run in honor of someone, in their memory, or simply run because you can.
- Options: Choose between The 4 Mile March and The 8 Mile March.
The Rules for the Last Runner Standing Are Simple
- Course: The course is a 4.167-mile (6.706 km) loop.
- Start: A new loop starts at the top of each hour.
- Completion: Participants must complete each loop within the hour to continue.
- Elimination: Runners are eliminated if they fail to complete a loop in time or choose not to start the next loop.
Awards
- Finisher Medal: Complete at least one loop.
- Half Marathon Medal: Complete 4 loops (13.1 miles).
- Marathon Medal: Complete 7 loops (26.2 miles).
- Ultra Medal: Complete 8+ loops (33.336+ miles).
What's Included
- Event Entry: Access to this unique endurance challenge in the Texas Hill Country.
- Custom Event T-shirt: Commemorative shirt to remember your achievement.
- Finisher's Medal: Earn a medal by completing at least one loop.
- Support: Fully stocked aid stations to keep you going hour after hour.
Ready to Test Your Limits?
Join us for this unique endurance challenge in the beautiful Texas Hill Country. How many loops can you complete?
Course map
Train with a club
Run clubs near Marble Falls to train with before race day.
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