The Next Loop 40M | 50M | 100M Challenge
New England | Nov 7 , 2026
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Course Description:
White Barn Farm (Wrentham, MA)
The course at White Barn Farm offers a scenic and approachable trail experience set on gently rolling farmland and wooded paths. Runners will complete a clearly marked 3.1-mile (5K) loop, returning each lap to the same central start/finish area and fully stocked aid station.
The trail surface is a mix of grass, dirt paths, and lightly packed earth, with short rolling sections that add variety without being overly technical. Elevation changes are modest, making the course very runnable while still providing enough texture to keep it engaging lap after lap.
This loop-based format allows runners to manage their effort, take breaks as needed, and decide how far they want to go—whether it’s a single loop, a new distance milestone, or a long endurance challenge. The setting and layout make this an excellent venue for both first-time trail runners and experienced athletes looking for a steady, repeatable course.
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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
This setup allows runners to adapt strategy on the fly—fueling, gear changes, and rest without leaving the course.
Running Alongside The Next Loop, The 12hr/24hr Challenge runs simultaneously with The Next Loop Endurance Series on the same course.
While Next Loop participants run on the hour, 12hr/24hrChallenge 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.
Ready to Take on the Challenge?
Registration is limited to ensure course quality and runner support.
Location: White Barn Farm
458 South St, Wrentham, MA 02093
Distances Offered: 40 Mile, 50 Mile, 100 Mile
The 40M | 50K | 100M Challenge
The 40M | 50M | 100M 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.
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 12hr/24hr Challenge run continuously with a strict time cutoff.
This format offers a true ultra-distance experience—simplified logistics, consistent footing, and constant access to aid and support.
Event Format
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Distances: As far as you want to go
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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: 24 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
Runners complete repeated loops until they reach their chosen distance or the time limit expires.
Who Should Run the 12hr / 24hr Mile Challenge
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
The loop format removes navigation concerns and allows athletes to focus entirely on pacing, fueling, and mental toughness.