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The Next Loop: 50-Mile Challenge

The Next Loop: 50-Mile Challenge

  • Trail Run
  • 80 km
  • 64 km
11000 W Hwy 51, Stillwater, OK
EverFurther Events

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About the Event

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

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