North Texas Ultra
Jacksboro, United States • 7 Feb 2026
North Texas Ultra : event details
The North Texas Ultra is a trail event held at Fort Richardson State Park - North Park Unit in Jacksboro, TX (134 Trailway Drive). Distances offered are:
- 100K
- 52 Miler
- 50K
- 25K
- 25K RUCK
- 10K
- 5K
Registration closes Fri, Feb 6. The event is part of the Texas Ultra Series.
Course and logistics
The course uses the Lost Creek Reservoir State Trailway. The trail is open and wide and is paved with soft fine gravel. The main loop is a 15.5-mile out-and-back; each loop has about 550 ft of elevation gain and loss. Historic mid-February temperatures at the site average about 35-60 degrees.
Pacers are allowed on the last two loops for the 100K and 52 Miler, and on the last loop for the 50K. There is a 20-hour cutoff for finishers. The 25K RUCK has weight requirements: runners over 150 lbs carry a 30 lb ruck, under 150 lbs carry a 20 lb ruck; ruck sack or vest is allowed.
Finishers receive a race shirt and collectible finisher medal; the 100K finisher receives a buckle. There are first-place awards for male and female in each distance and a DFL award for the 100K. Aid stations, course marking, and event photography are provided. Visit the organization's website for the most recent information.