Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K
- Date
- October 10–11, 2026
- Location
- 375 South Shore Rd., Bastrop, TX
- Distance
- Big Bastrop Backyard Ultra (Last Runner Standing) · Big Bastrop Backyard Ultra (Last Rucker Standing) · Autumn Harvest 50K & more
From the Organizer
Autumn Harvest Trail Weekend
Lake Bastrop, Texas • October 10-11, 2026
Experience the magic of autumn trail running
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
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
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 | Distance: 5 miles
The gateway to trail running. Out-and-back on the first 2.5 miles of the North-South Trailway. Challenging enough to feel like a real effort, welcoming enough for first-time trail runners.
Sunday, October 11
The Marathon & Community Day
Autumn Harvest Marathon
Start: 9:00 AM | Cutoff: 9 hours
Central Texas trail marathon running at its finest. Start with two laps on the scenic North-South Trailway, then finish strong with two laps of Gideon Loop via Swift Trail. Experience Lake Bastrop's iconic lakeside trail alongside the quiet beauty of the forest.
Course: 2× North-South full looped laps + 2× Gideon Loop via Swift Trail . Aid stations every 2.5 miles, full support at start/finish.
Autumn Harvest Half Marathon
Start: 9:00 AM
A generous half-marathon-plus on Lake Bastrop's most scenic trails. Start with one full looped lap on the North-South Trailway, then head out to Gideon Loop via Swift Trail before returning to the finish. Two distinct trail experiences in one unforgettable journey.
Course: 1× North-South full loop + Gideon Loop via Swift Trail
Autumn Harvest 10K
Start: 9:15 AM
A unique trail 10K showcasing scenic sections of Lake Bastrop's trail system. Start with the full Gideon Loop via Swift Trail, return to the start area, then head back out for the Loblolly Loop before a short finish to bring you home. More trail variety per mile than any other event in the weekend.
Course: Gideon Loop via Swift Trail + Loblolly Loop via Swift Trail
Autumn Harvest 5K
Start: 9:15 AM
The perfect trail introduction. Short, out-and-back. Bring the kids, bring your running buddies, bring someone who's never run a race before.
The Course
Scenic Trails
All events traverse the trails of Lake Bastrop, primarily the North-South Trailway that connects Lake Bastrop North Shore and South Shore Parks. The course features rolling terrain with moderate elevation changes and a dynamic mix of single-track and wider trail sections.
Towering loblolly pines, shade much of the course. Lakeside stretches provide stunning water views, while interior sections wind through peaceful forest. Vibrant autumn colors enhance the beauty of this unforgettable trail adventure.
Course Highlights
- Terrain: Rolling with moderate elevation changes
- Trail Type: Mix of single-track and wider trails
- Views: Lake Bastrop overlooks and Lost Pines
- Scenery: Fall foliage and autumn-transformed landscapes
- Aid Stations: Every 2.5 miles on long-distance events
- Safety: Well-marked with high-visibility trail markers
Every Registration Includes
Race Shirt
Guaranteed if registered by Sep 15
Fully Stocked Aid Stations
Water, electrolytes, fuel, ice
Race Photography
Free digital downloads
What's Not Included
Overnight lodging
Crew fees (crews must purchase day-use park pass)
Event Logistics
Packet Pickup
Friday Evening: 6:00 PM - 6:45 PM
Saturday Morning: 6:00 AM - 6:45 AM
Sunday Morning: 7:30 AM - 8:45 AM
Location: Lake Bastrop South Shore Park Pavilion
Parking & Directions
Start/Finish Area: Lake Bastrop South Shore Park
Free parking available at the event venue. Arrive at least 45 minutes before your start time.
Race Guide will be emailed one week before the event.
Weather & Contingency
October in Bastrop typically brings pleasant temperatures (highs 80-85°F, lows 60s). Runners should prepare for a range of conditions.
In case of severe weather, the event may be:
- Moved to an earlier or later start time
- Postponed to the following weekend
- Modified to shortened course distances
A decision will be made 24 hours before the scheduled start and communicated via email and social media.
Refund & Transfer Policy
- No refunds; transfers at race director's discretion
- Weather Cancellation: Runners receive credit toward any race of the same distance on our event calendar.
Experience the Magic of Autumn Trail Running
Join us for this enchanting fall weekend on the trails of Lake Bastrop. Eight distances. Two days. One unforgettable experience.
Organized in partnership with Healthy Kids Running Series Cedar Park.
Proceeds support HKRS Cedar Park youth running programs.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
85°
Typical Low
59°
Chance of Rain
17%
Based on US Climate Normals data from Smithville, 12 mi from the venue.
Host City
About Bastrop, TX
Elevation
435 ft
Nearest Airport
AUS
Austin Bergstrom International Airport · 22 mi
Time Zone
Central Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K, put it on the calendar, and turn “someday” into a start date.
124
Days to train
- Race
- Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K
- Date
- October 10–11, 2026
- Location
- 375 South Shore Rd., Bastrop, TX
Coming Up
More Running races near Bastrop, TX
Medal Madness 5K, 10K & 13.1M at Pflugerville, TX (24)
Half Marathon · 10K · 5K
29 miles away
The Big Kahuna 5K, 10K - Austin
10K · 5K
19 miles away
Eagle 5K, 10K & 13.1M at Pflugerville, TX (30)
Half Marathon · 10K · 5K
29 miles away
Summer Meltdown Half Marathon - Austin
Half Marathon
29 miles away
From Endurance Grid
About This Sport
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 10K is the distance where running stops feeling like a starting point and starts feeling like a sport. Long enough to require a real training block. Short enough that race day is fully manageable for a first-timer who's put in the work.
Race day energy at a 10K is community at its best — strangers cheering you by name, people moving toward the same goal, an atmosphere that solo training can't replicate. It's fast enough that you'll spend the whole race pushing rather than managing your effort.
This is also the distance that builds the base for everything else. Most athletes who go on to run half marathons, do triathlons, or compete in HYROX started here. What you need: running shoes fitted to your stride, a training plan, and the race on your calendar. The registration is what makes the deadline real.
How long to train: 4–8 weeks for most fitness levels.
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 Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K?
- Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K is a running race held in Bastrop, Texas on October 10, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K?
- Saturday, October 10, 2026 in Bastrop, Texas at 375 South Shore Rd., Bastrop, TX. Check the event page for exact start times and wave schedules.
- How do I register for the Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Autumn Harvest Trail Run • Bastrop Last Standing • Ruck • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K
Oct 10, 2026