New Years Trail Challenge 100K

JAN
1-2
2027
A multi-distance trail event at Canyon of the Eagles near Lake Buchanan featuring ultramarathon, marathon, half, 10K, 5K and a Last Runner Standing backyard ultra.
1-2 Jan 2027
100 kilometers 50 kilometers 26 miles 13 miles 10 kilometers 5 kilometers

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

About the race

The Canyon of the Eagles New Year Trail Challenge is a two-day trail running and rucking event held at Canyon of the Eagles on Lake Buchanan near Burnet, Texas. The event offers multiple looped trail distances that pass limestone bluffs and provide views of the Colorado River and the surrounding Texas Hill Country.

Distances offered include:

  • 62.2 miles (100K ultra)
  • 31.1 miles (50K ultra)
  • 26.2 miles (marathon)
  • 13.1 miles (half marathon)
  • 10K
  • 5K
  • Ruck options for certain distances with weight requirements

Course formats are looped and use natural trail terrain. The 100K and 50K ultramarathons use a looped layout with an overall cutoff of 24 hours. The half marathon has a ruck division with verified minimum pack weights: 20 pounds for participants under 150 pounds and 30 pounds for participants over 150 pounds; weights are checked at the start and finish. The Last Runner Standing Gauntlet is an hourly backyard ultra format in which loop distances increase across phases from 4 to 7 miles and pace requirements tighten; from hour 33 the format repeats 7-mile loops at the established pace until only one participant remains. Organizers note wildlife observations on course, including bald eagles, and the event is organized in partnership with a local youth running program for some distances. Visit the organization's website for the most recent information.

100 km
The Eagle 100k Ultra
50 km
50k Ultramarathon
26 mi
Marathon
13 mi
1/2 Marathon
13 mi
1/2 Marathon Ruck
10 km
10k
5 km
5k Run/walk
Last Runner Standing (gauntlet)

Events nearby

Trail races at Shaffer Bend Recreation Area from 5K to 50 miles plus ruck and adaptive divisions, with seasonal aid stations and proceeds benefiting local youth running programs.
A 30 hour endurance challenge in Burnet TX where runners complete one mile each hour for 30 hours while net proceeds support Jar Of Hope.
Trail races at Reveille Peak Ranch offering 10M, 20M and 50K on singletrack and fire roads with aid stations and Leadville qualifier opportunities.
Test your endurance at this Last Person Standing event in Marble Falls. Complete a 4.17 mile loop every hour until only one runner remains to be crowned the winner of the Summit Backyard Ultra.
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