40/50 Mile Challenge - Louisiana (March 14, 2026)
Course Description:
Eddie D. Jones Park (Keithville, LA)
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The course at Eddie D. Jones Park features a well-maintained, mostly flat trail system that winds through wooded terrain and open park areas. Runners will complete a clearly marked 3.1-mile (5K) loop, returning to the same central start/finish and fully stocked aid station each lap.
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The surface is primarily dirt and grass with occasional packed gravel sections, offering a forgiving, runnable trail suitable for both first-time trail runners and experienced endurance athletes. With minimal elevation change and good footing, the course encourages steady pacing while still delivering an authentic trail-running experience.
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The loop format allows runners to complete as many laps as they choose, rest or refuel between loops, and challenge themselves at their own pace—making this an ideal venue for newcomers to trail running as well as those pushing longer distances.
Support & Logistics
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Runners may access personal supplies at their staging area each loop
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Crew access permitted in designated areas
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Pacers allowed per event rules (location-specific and time-based)
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Medical and race staff on site throughout the event
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This setup allows runners to adapt strategy on the fly—fueling, gear changes, and rest without leaving the course.
Location: Eddie D Jones Park /Caddo Parish
8400 Mike Clark Road, Keithville, LA 71047​
Distances Offered: 40 Mile, 50 Mile
The 40/50 Mile Challenge
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The 40/50 Mile Challenge is a continuous loop endurance race designed for runners who want to push beyond traditional race formats while benefiting from a fully supported, centralized course.
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Held alongside The Next Loop Endurance Series, this event runs on the same 3.1-mile (5K) loop, but unlike the hourly format, competitors in the 40/50 Mile Challenge run continuously with a strict time cutoff.
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This format offers a true ultra-distance experience—simplified logistics, consistent footing, and constant access to aid and support.
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Event Format
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Distances: 40 Miles or 50 Miles
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Loop Length: 3.1 miles (5K)
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Course Type: Continuous loop trail race
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Time Limit: 12 hours
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Start/Finish: Same location each loop
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Aid Station: Fully stocked at every lap
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Staging Area: Designated personal staging area near start/finish
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Runners complete repeated loops until they reach their chosen distance or the time limit expires.
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Who Should Run the 40/50 Mile Challenge
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This event is ideal for:
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Runners attempting their first ultra distance
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Athletes stepping up from a marathon or 50K
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Experienced ultrarunners seeking a fast, efficient course
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Competitors who value logistics simplicity and strong support
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The loop format removes navigation concerns and allows athletes to focus entirely on pacing, fueling, and mental toughness.
Running Alongside The Next Loop, The 40/50 Mile Challenge runs simultaneously with The Next Loop Endurance Series on the same course.
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While Next Loop participants run on the hour, 40/50 Mile Challenge runners race continuously and are scored separately.
Each event has its own competitive field, results, and rules.This creates an energetic race environment while preserving the integrity of both formats.
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Ready to Take on the Challenge?
Registration is limited to ensure course quality and runner support.
