The Next Loop 40M/50M Challenge | Half Day Forest Preserve
- Date Sat 29th August 2026
- Time 7:00AM CDT
- Location Vernon Hills, Illinois
- Price $213.00
- Races 1 race
- Distances Ultra
Just added
Secure your place early
Event summary
Whether you're a first-time ultra-distance runner, a marathon veteran looking to take on a new challenge, or an experienced ultrarunner seeking a fast course with simplified logistics, this event is perfect for you! Embrace the opportunity to focus on pacing, fueling, and mental toughness in a supportive environment that encourages camaraderie and achievement. Donβt miss out on this exciting day of endurance and adventure!
Organiser's Description
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.
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.
This format offers a true ultra-distance experiencesimplified logistics, consistent footing, and constant access to aid and support.
EVENT FORMAT
Distances: 40 Miles or 50 Miles
Loop Length: 3.1 miles (5K)
Course Type: Continuous loop trail race
Time Limit: 12 hours
Start/Finish: Same location each loop
Aid Station: Fully stocked at every lap
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 40/50 MILE CHALLENGE
This event is ideal for:
Runners attempting their first ultra distance
Athletes stepping up from a marathon or 50K
Experienced ultrarunners seeking a fast, efficient course
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.
Races
-
40m, 50m
Incl. $13.00 Fee & T-Shirt
Sat 29th August 2026 (7:00AM CDT)
$213.00
Reviews
Doing this event?
First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event. You'll be able to review this event once it's taken place.
Location
24255 N Highway 21, Vernon Hills, 60061, IL, United States
Who's In
See who else is doing this event
Be the first
No-one has marked this event as 'Doing' or 'Maybe' yet. Will you be the first?
The Next Loop 40M/50M Challenge | Half Day Forest Preserve