Lake Travis New Year's Trail Challenge 50K
Lago Vista, United States • 1-2 Jan 2026
Event overview
The Lake Travis New Year’s Trail Challenge is scheduled for January 1-2, 2026 at Shaffer Bend Park, 706 County Road 343A, Marble Falls, TX 78654. The event offers multiple trail race options, including ultramarathon distances and shorter trail runs. Courses run on trails and along the Colorado River and include limestone bluff sections and wooded trail segments. A race pace calculator and course maps are available from the organizer.
Course and distances
- 100K Ultramarathon : 62.2 miles
- 50K Ultramarathon : 31.1 miles
- 25K Trail Run : 15.5 miles
- Half Marathon : 13.1 miles
- 10K
- 5K
- Kids 1K
The 100K and 50K use a looped course design. Reported elevation per loop is 512 ft gain and 531 ft loss for the ultramarathon loops. Cutoff times listed include 24 hours for the 100K/50K and 12 hours for the 25K and ruck divisions. Several distances are offered with a ruck option; ruck weight minimums are 20 lbs for participants under 150 lb and 30 lbs for participants over 150 lb, with weights verified at the start and finish. Course terrain is described as varied natural trails with river views and some gentle inclines. Visit the organization's website for the most recent information.