Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra 2026

About Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra

Autumn Harvest Trail Weekend

Lake Bastrop, Texas • October 10-11, 2026

Experience the magic of autumn trail running

THE BIG BASTROP BACKYARD ULTRA (LAST STANDING RUNNER/RUCKER)

• 50K • MARATHON • HALF • 20-MILER • 10-MILER • 10K • 5-MILER • 5K

BRONZE TICKET QUALIFIER

An Enchanting Fall Adventure

Join us for an unforgettable autumn trail weekend. Experience the beauty of fall running as seasonal colors transform the landscape and Lake Bastrop's calm waters create a stunning natural backdrop.

Whether you're chasing your first 50K, a marathon PR, or a fun family 5K, you'll journey along winding lakeside trails, under open skies, and through towering pines in one of Central Texas' most picturesque settings. Crisp fall air, fast dirt trails, and the energy of fellow runners make this a truly unique endurance experience.

Two days. Eight distances. One unforgettable weekend.

Saturday, October 10

The Ultra & Distance Day

The Big Bastrop Backyard Ultra

The Official 'Last Standing' Event of the Autumn Harvest Trail Weekend and part of the Texas Backyard Ultra Series

Start: 7:00 AM | Cutoff: 32 hours | Distance: 4.17-mile loop, up to 24 loops (~100 miles) Format: Last Person Standing with cumulative time tiebreaker. Field Cap: 70 runners. One loop. One hour. Last runner standing wins. 32- 36 hours at Lake Bastrop. Are you in?

The 7:00 AM start means you'll run the Gideon Loop starting from the Basecamp, through one full day, one full night, and into a second morning. Sunset falls around 7:15 PM, approximately 12 hours and 2 loops into the race. Runners must have mandatory night gear ready before the 7:00 PM loop.

If you're the last runner standing, you'll complete a victory lap to claim the win. If multiple runners survive to 3:00 PM Sunday, the lowest cumulative time wins, and yes, they still have to complete a victory lap.

Run until you can't. Then run one more.

A backyard ultra is won at the rest chair, not the starting line. Click here to subscribe to our free weekly newsletter, training plans, pacing strategy, and the mental playbook for the bell. Every Wednesday, straight to your inbox.

Course: 1× Gideon Loop via Swift Trail . Aid stations every 2.1 miles, full support at start/finish.

The Loblolly Redemption

Mini Backyard Ultra

When you fail to complete your loop on the Autumn Harvest Last Standing main course (Gideon Loop), your race isn't over. It's different. Walk to the basecamp, lace up, and start running the 5.1 km Loblolly Loop on the next hourly bell. Same format. Smaller loop. New field. Last person standing wins.

You can't register for the Redemption. You can only be sent there. See below for more details.

Last Rucker Standing

Start: 7:00 AM, October 10 | Loop: 5.1 km (Loblolly Loop) | Max Duration: 32 hours

A backyard-format rucking event running on the same clock as the main Last Standing ultra. Complete the Loblolly Loop every hour on the bell with a weighted ruck on your back: 30 lbs for men, 20 lbs for women. Ruck 20 loops and you've covered 100 kilometers. Last rucker still completing loops wins. Field capped at 20. See below for more details.

Autumn Harvest 50K

Start: 8:00 AM | Cutoff: 10 hours

The premier event. Three full out-and-backs on the scenic North-South Trailway plus a Southshore finishing spur. Aid stations every 2.5 miles. Drop bag access at start/finish every 10 miles. For experienced trail runners and first-time ultra athletes with solid training bases.

Autumn Harvest 20-Miler

Start: 8:00 AM | Distance: 20 miles

Two full out-and-backs on the North-South Trailway. Perfect marathon long-run training or a serious trail challenge in its own right. Aid stations every 2.5 miles.

Autumn Harvest 10-Miler

Start: 8:00 AM | Distance: 10 miles

One full out-and-back on the North-South Trailway, the signature trail experience in a single lap. The sweet spot distance between a 10K and a half marathon.

Autumn Harvest 5-Miler

Start: 8:15 AM