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About this Race Series

RUN A BACKYARD ULTRA /// TX SERIES
On the hour. Every hour.
four-race series circuit that follows the Colorado from the Hill Country down to Matagorda.
The Last Frontier Circuit · The Last Texan Standing · 2026 Season
Texas Backyard Ultra Series - The Last Frontier Circuit

No finishing clocks. No fixed distances. No head starts. Finish a 4.167-mile loop every hour, on the hour, until only one soloist remains standing. Four venues, one river: the season opens in the hills and ends where the Colorado meets the Gulf.

🔔 Hour 01 - 4.167 mi  🔔 Hour 12 - 50 mi  🔔 Hour 24 - 100 mi  🔔 Last One Standing
The Format
One loop. One hour.
Repeat until you can't.

The backyard ultra is the purest test in endurance running. The course never changes. The clock never stops. The race continues until a single runner completes one loop more than everyone else.

4.167
Miles per loop

One “yard.” Exactly 100 miles every 24 hours, if you survive that long.

:00
On the hour, every hour

The bell rings. You're in the corral or you're out. Whatever time remains is yours to eat, rest, and recover.

1
Soloist remains

There is no finish line, only a last one standing. Everyone else records a DNF, and total yards toward the series crown.

🗺️ The Circuit Lineup
Four landscapes.
One river.

Every venue sits on the Colorado, and the season runs it downstream: hills first, sea last. The 2026 season is already underway. If you ran Rodeo or Austin's Backyard this year, your loops are already banked. Two start lines remain.

01   Spring 2026 · Season Opener · Complete
📍 Spicewood, Texas

Rugged, technical Hill Country terrain that opened the season, and the highest point on the circuit. Ran it? Your loops count. Points from this spring are being awarded retroactively at the full 1.5x weight.

Race Page → ✅ Points Banked ⛰️ 1.5x Points Per Loop
02   Late May 2026 · Complete
📍 Turkey Bend Recreation Area

Texas Hill Country at the edge of summer, under an unforgiving late-May sun. Ran it? Same deal: your yards from May are already on the board, banked at 1.1 points per loop.

Race Page → ✅ Points Banked ☀️ 1.1x Points Per Loop
03   October 10, 2026 · Registration Open
📍 Lake Bastrop

Set deep in the iconic lost pines and sandy loam. If you ran Rodeo or Austin's, this is the start line that unlocks your name on the master leaderboard. The autumn crucible where the standings get real.

Race Page & Registration →
04   February 13, 2027 · Season Finale
📍 Matagorda Bay Nature Park

Where the Colorado finally meets the Gulf, and where the season ends. Packed sand, rock levee, and open beach at the end of the river. Flat, wide open, and the only hill is the wind. The crown gets decided here. Last one standing wins the sea.

Race Page & Registration → 🌊 1.0x Points Per Loop
⚡ One season. One river. From the hills to the open Gulf
🏆 Series Scoring · 🤠 How the Points System Works
The Last Texan Standing

The rules of a backyard ultra are simple: you run 4.167 miles on the hour, every hour, until only one person is left standing. But since The Last Frontier Circuit is a season-long series across four events (Rodeo, Austin's Backyard, Big Bastrop, and the Gulf Coast finale), we've built a master leaderboard to crown the ultimate series champion: The Last Texan Standing.

Here is exactly how your miles turn into points and how to get your name on the final leaderboard.

🏁 1. The Two-Race Minimum Rule

To show up on the official Master Circuit Standings at the end of the season, you have to support the community and toe the line. You must record completed yards (loops) at a minimum of two of our four circuit events to qualify for the series championship.

Singly-run events will bank points, but your name won't unlock on the master leaderboard until you hit that second starting corral.

⏳ 2. Already Ran in 2026? You're In.

Points are being awarded retroactively to every 2026 participant, at each venue's full weight. If you toed the line at Rodeo this spring, your loops are banked at 1.5x. If you ran Austin's Backyard in May, yours are banked at 1.1x.

That means you are one start line away from unlocking your name in the Master Circuit Standings. Big Bastrop on October 10 or the Gulf Coast finale in February gets you there.

📊 3. The Math: Points Per Loop

Backyard ultras don't care about your finishing position or your pace, so your score is based entirely on your distance, weighted by the venue. At Big Bastrop and Gulf Coast, every loop you finish before the 60-minute whistle earns exactly 1 point. At Austin's Backyard, every loop earns 1.1 points, thanks to the extra climb and that late-May sun.

Example: tap out after 12 hours (the 50-mile mark) at Bastrop and you walk away with 12 points. The same 12 loops at Austin's bank 13.2.

Full transparency, both directions: the Austin's weight is a deliberate round-up from the 1.08 our elevation formula returns. And on Gulf Coast, the formula actually returns 0.86 for the flat coastal course, but no circuit event scores below baseline, so it's floored at 1.0. Flat is a different kind of hard, and the wind doesn't show up in an elevation profile.

⛰️ 4. The Rodeo Multiplier
1.5x Points

Not all trails are created equal. Because of the terrain, elevation profile, and sheer physical toll of the Rodeo Backyard Ultra, we are weighting this event heavily: every single completed loop at Rodeo is worth 1.5 points, including the loops already banked from this spring.

Ground out a 50-miler (12 loops) at Rodeo this year? You aren't just banking 12 points. You're sitting on 18.
DistanceBastrop / Gulf CoastAustin'sRodeo
4 loops (16.6 mi)4 pts4.4 pts6 pts
12 loops (50 mi)12 pts13.2 pts18 pts
24 loops (100 mi)24 pts26.4 pts36 pts
🏆 5. Bonus Points for the Final Survivors

To reward the deep-mileage battles that happen when the field thins out, we throw extra weight to the final two athletes left in the corral:

+5   Last Person Standing (The Winner)

Bonus points tacked onto your total loop score.

+3   The Assist

For the runner who completes the second-to-last loop.

Note: these bonuses are flat additions to your final score and are not affected by the Rodeo multiplier. Retroactive 2026 winners and assists receive their bonuses too.

💡 The Strategy

If you ran Rodeo or Austin's this year, you're already on the board and one race from the leaderboard. Big Bastrop on October 10 is your unlock. Then it all comes down to the coast: the season ends February 13 at Matagorda, where the river runs out of land and the crown gets decided. The finale is flat, fast, and worth every yard you have left.

Show up. Line up.
Be the last one standing in Texas.

👉 Follow the journey on Instagram @runabackyardultra and visit fitfoundation.org/run-a-backyard-ultra for race page launches, training resources, and active leaderboard standings.

⚡ Sign Up Here Stay Connected
The Last Frontier Circuit: run the Colorado to the sea.
Brought to you by the team behind Run A Backyard Ultra · Texas Backyard Ultra Series

Contact Information

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