The Skull Games Challenge

NOV
21
2026
A loop based trail event at Lake Carl Blackwell on November 21, 2026 with 25K and 50K options and optional challenge stations that can reduce finish time. Tasks include strength, sandbag work, skill drills and mental focus exercises.
Sat 21 Nov 2026
50 kilometers 25 kilometers

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The Skull Games Challenge

The Skull Games Challenge on November 21, 2026 at Lake Carl Blackwell in Stillwater, OK is a loop based trail event created through a partnership between The Next Loop Endurance Series and Skull Games Solutions. The format blends trail running with resilience and tactical problem solving.

Participants choose between the following distances:

  • 25K loop based trail race
  • 50K loop based trail race

Optional challenge stations are positioned between loops. Tasks at these stations may include strength efforts, mental focus exercises, grappling or skill challenges, sandbag work, pushups, and real world problem solving scenarios. Attempting a task can earn time deductions while successful completion earns greater credit toward overall finishing time, introducing a strategic element alongside endurance performance.

The event description highlights both physical and decision making demands on course and notes an emphasis on building community on the trails. The combination of loop format, optional tasks, and time credit mechanics creates choices about pacing and task selection during the race. Visit the organization's website for the most recent information.

50 km
50k
25 km
25k

Events nearby

Trail race day at Lake McMurtry offering 5K, 10K, half and full marathon courses with chip timing, medals, and a post-race celebration.
Loop-based trail event at Lake Carl Blackwell where runners complete 3.1 mile laps each hour and combine loops into official distances, organized by EverFurther.
Continuous loop ultra at Lake Carl Blackwell on a 3.1 mile trail loop with fully stocked aid each lap. Options for 40 or 50 miles, a 12 hour time limit, and designated crew and pacer access.
A mid-March endurance weekend in Stillwater, OK featuring dirt-road runs, multiple gravel cycling courses (12, 58, 106 miles), an expo, live music, and a family ride.
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