The Next Loop: 50-Mile Challenge
Date: Saturday, May 23, 2026
Start Time: 6:30 AM CT
Location: Lake Carl Blackwell, Stillwater, OK
The Lake Carl Blackwell 50 Mile Challenge is a gritty, no-nonsense test of pacing and patience on a scenic 3.1-mile (5K) loop trail. This is a continuous 50-mile trail race run alongside The Next Loop Endurance Series. Same fully stocked Start/Finish aid station every lap. Easy fueling. Simple logistics. All the support, every time through. You’ll knock out 16 loops to hit 50 miles (trail measurements may vary slightly). A 12-hour cutoff keeps things moving and rewards smart pacing, with steady energy and a strong community vibe all day long.
Race Format:
- Distance: 50 miles
- Race Style: Continuous run
- Time Limit: 12-hour hard cutoff
- Start: Mass start with other 50-mile competitors
- Field Limit: 75 runners
- Course: Trail-based loop; minor distance variation is expected and accepted due to terrain
Athletes Support & Logistics:
- Dedicated 50-mile staging area
- Main aid station every 5K loop
- Personal staged gear access
- Medical and safety oversight
Age Group Divisions: Open, Masters (Ages 50–69), Grand Masters (Ages 70+)
Timing & Results: Chip timing, splits recorded for every 5K loop, real-time loop splits.
Pacers: Permitted beginning at 4:00 PM, must check in and wear identification, enter/exit at start/finish.
Produced by: EverFurther Events
