4000 Shaw Dr., Marble Falls TX
Sunday, October 11th, 2026
Autumn Harvest Marathon, Half-Marathon, 12-Hour Challenge & 10K
Experience the magic of autumn trail running
Event Types:
- Marathon
- Half Marathon
- 12-Hour Endurance Challenge
- 5K
- 10K
An Enchanting Fall Adventure
Join us for an enchanting fall adventure as we run along the shores of Lake Travis. Experience the beauty of fall trail running as the landscape transforms with the colors of autumn and the tranquil waters provide a spectacular backdrop for this unique experience. Feel the magic of trails illuminated by moonlight and your headlamp as you journey through Turkey Bend.
Event Details
Marathon
- Start Time: 9:00 AM
- Distance: 26.2 miles
Harvest Half
- Start Time: 9:00 AM
- Distance: 13.1 miles
Autumn 5K & 10K
12-Hour Endurance Challenge
- Start Time: 9:00 AM
- Cut-off: 12-hour continuous endurance challenge
- Winner determined: by total miles covered
- No set distance: push your personal limits
- Support provided: Aid stations
Course Description
Scenic Fall Trails
The course winds through the scenic trails of Turkey Bend on Lake Travis, featuring rolling terrain with moderate elevation changes and a mix of single-track and wider trails. Autumn colors enhance the beauty of this trail adventure.
Lake Travis Viewpoints
Experience stunning viewpoints overlooking Lake Travis. Both marathon and half marathon courses showcase the beauty of Lake Travis in autumn while providing a challenging yet achievable trail running experience.
Course Highlights
- Terrain: Rolling with moderate elevation changes
- Trail Type: Mix of single-track and wider trails
- Views: Stunning Lake Travis views
- Safety: Well-marked with reflective trail markers and glow sticks for the dark hours
Registration Includes
Finisher Medal and Series Recognition
- Custom challenge coins: for all finishers and for multi-event participants
- Premium custom-designed medal: featuring Lake Travis
- Race Austin Series: Collector's Challenge
- Exchange: three same-tier coins for a complimentary race entry
Event Logistics
Packet Pickup
- Race Day: 7:30 AM - 8:30 AM
- Location: Turkey Bend Recreation Area
- Address: 4000 Shaw Dr., Marble Falls, TX 78654
Parking & Directions
- Parking: Available at the event venue
- Information: Additional details will be emailed before the event
Weather Contingency
- Postponed: to next weekend
- Virtual option: available if severe weather occurs
- Decision: will be made 24 hours prior
Night Trail Running Safety
Your safety is our priority during this trail event. Participants running the dark hours must have:
- Headlamp: with fresh batteries
- Backup light source: recommended
- Reflective clothing: or vest
- Personal hydration system
- Cell phone: for emergency communications
Experience the Magic of Autumn Trail Running
Join us for this enchanting fall adventure on the trails of Lake Travis. Challenge yourself to a unique running experience you'll never forget!
Course Map
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