ATX Harvest Run: Half-Marathon, 10K, 5K

Autumn Harvest Trail Weekend Lake Bastrop, Texas • October 10-11, 2026 Experience the magic of autumn trail running LAST STANDING • 50K • MARATHON • HALF • 20-MILER • 10-MILER • 10K • 5-MILER • 5K

An Enchanting Fall Adventure Join us for an unforgettable autumn trail weekend. Experience the beauty of fall running as seasonal colors transform the Lost Pines 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

Autumn Harvest Last Standing | Bastrop Backyard 32 Start: 9:00 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: 50 runners. One loop. One hour. Last runner standing wins. 24 hours at Lake Bastrop. Are you in? The 9:00 AM start means you'll run the Gidoen Loop starting from the Basecamp, through one full day, one full night, and into a second morning. Sunset falls around 7:15 PM, approximately 10 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 9:00 AM 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. 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. 

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 Lost Pines 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 Lost Pines 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, the famous Lost 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 changesTrail Type: Mix of single-track and wider trailsViews: Lake Bastrop overlooks and Lost Pines forestScenery: Fall foliage and autumn-transformed landscapesAid Stations: Every 2.5 miles on long-distance eventsSafety: Well-marked with high-visibility trail markers

Every Registration Includes

Custom Finisher Medal Race Shirt Guaranteed if registered by Sep 15 Chip Timing Fully Stocked Aid Stations Water, electrolytes, fuel, ice Medical Support Race Photography Free digital downloads

What's Not Included

LCRA park camping (reserve separately through LCRA Parks)  Overnight lodging Crew fees (crews must purchase day-use park pass)

Event Logistics

Packet Pickup Saturday Morning: 7:00 AM - 7:45 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 timePostponed to the following weekendModified 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 discretionWeather Cancellation: Credit toward next year's race

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. REGISTER NOW

Organized in partnership with Healthy Kids Running Series Cedar Park. Proceeds support HKRS Cedar Park youth running programs.