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Join us for Austin's Backyard Marathon: Half Marathon, Marathon, and Ultra Challenge, a unique endurance event that pushes your limits in the beautiful Hill Country City of Lago Vista near Austin, Texas.
2026 Team Championship Bronze Ticket Qualifier
Austin's Backyard Ultra (May 2025) is an official Bronze Ticket qualifying event! Our winner will earn a guaranteed spot in the Summit Silver Ticket event (November 2025, TX) on the road to the 2026 US Backyard Ultra National Team.
"So, the last shall be first, and the first last"
A Last Person Standing Challenge
This 24-Hour event combines personal goal-setting with the excitement of a last-person-standing format. From the format created by Lazarus Lake, participants will run a 4.1667 mile loop every hour until there is only one person standing. Run it fast, run it slow, run it how you want - you just have to be back in the starting area before the next loop starts!
The course is a 4.167-mile (6.706 km) loop, with a new loop starting at the top of each hour. Participants must complete each loop within the hour (a 14:22 minute per mile pace maximum recommended) to continue, setting their own goals for distance or endurance. Runners are eliminated if they fail to complete a loop in time or choose not to start the next loop. The last person to complete a loop is declared the overall winner.
Every participant who completes at least one loop receives a finisher's medal, with special recognition and medals for those achieving half marathon (4 loops, 16.668 miles), marathon (7 loops, 29.169 miles), and ultra (8+ loops, 33.336+ miles) distances. Run at your own pace, but remember to complete each loop within the hour. Whether you're aiming for a specific number of loops or seeing how long you can last, this event offers a challenge for every level of runner.
Your entry includes a custom event t-shirt, finisher's medal, aid station support. We'll recognize the overall last person standing, as well as the male and female runners who complete the most loops.
Join us for this exciting format that combines the structure of traditional race distances with the unique challenge of a last runner standing backyard ultra.
Austin's Backyard Marathon: Half, Full, and Ultra Challenge takes place at Arkansas Bend Park, located in the scenic city of Lago Vista, nestled in the heart of the Texas Hill Country, approximately 30 miles northwest of Austin.
Arkansas Bend Park sits on Lake Travis, a mere 45 minutes from downtown Austin, offering a perfect escape from city life while remaining easily accessible. This 323-acre peninsula juts into Lake Travis, providing stunning water views and diverse terrain that makes it feel like a hidden treasure right in Austin's extended backyard.
The park features:
Despite being so close to Austin, Arkansas Bend Park maintains a wild, untamed feel that makes trail runners feel like they've discovered a secret natural paradise. The mix of technical trails, water views, and varied terrain creates an ideal training and racing environment for the trail running community.
We encourage participants to explore Lago Vista during their visit, patronize local businesses, and experience the warm hospitality of our community. Together, we're creating an event that benefits runners, spectators, and the entire Lago Vista community.
Stocked aid stations will be placed along the course, providing hydration, nutrition, and medical assistance to ensure participants' safety and well-being. We'll have a variety of snacks available including fruit, cookies, breakfast bars, chips, and soft drinks.
Animals are not allowed at the event. We kindly ask all participants and their visitors to respect this rule to ensure the safety and comfort of all attendees. Thank you for your understanding and cooperation.
Custom medals will be awarded to all finishers.
The park offers a limited number of campsites available on a first-come, first-served basis. If you wish to camp during the event, we strongly recommend making arrangements here and booking well in advance to secure your spot. Please plan accordingly to ensure you have a place to stay during your visit.
Due to the extensive preparations involved, we do not offer refunds. The race may be canceled in the event of severe weather or other circumstances beyond our control. We make every possible effort to hold the event as scheduled and reschedule if any disruptions occur; however, should unforeseen circumstances arise, participants will be notified and updated in advance. Thank you for your understanding.
All events: 7:00 AM
Finish Line Closes: 7:00 AM
Eco-friendly practices, such as waste reduction and the use of sustainable materials, will be implemented to minimize the event's environmental footprint. In our commitment to preserve the natural beauty of Arkansas Bend Park and the Colorado River environment and to ensure the sustainability of our event, the Fit Foundation adheres strictly to the Leave No Trace principles. These guidelines help us minimize our impact on the natural surroundings and ensure a positive experience for all participants and future park visitors. We kindly ask all participants, spectators, and volunteers to follow these principles:
Plan Ahead and Prepare:
Your race registration includes YOUR park entry! Additional spectators at Arkansas Bend Park: - General Admission: $5 - FREE entry for: - Children under 13 years - Disabled Veterans (50% or more) - Senior Rate (62+ years): $3
Race Morning Tips: - Bring cash for car parking fees- Carpooling recommended - Early arrival = best parking
Please ensure you arrive within the specified times to collect your race materials.
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Email: info@atxactive.com
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