Lake Travis New Year's Trail Challenge 50K

JAN
1-2
2026
Start 2026 on trails at the Lake Travis New Year’s Trail Challenge, Jan 1 and 2 at Shaffer Bend Park. Choose ultramarathon loops or shorter 5K and kids 1K routes with limestone bluffs, wooded trails and Colorado River views.
1-2 Jan 2026
100 kilometers 50 kilometers 25 kilometers 13 miles 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

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.

100 km
100k Ultramarathon
50 km
50k Ultramarathon
25 km
25k Trail Run
25 km
25k Ruck Division
13 mi
1/2 Marathon Ruck
13 mi
1/2 Marathon
10 km
10k
10 km
10k Ruck
5 km
5k Run/walk
5 km
5k Ruck