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100milesbe

100milesbe

100 miles. 161 kilometers. The ultimate challenge in trail running. Pushing boundaries, surpassing yourself, and keeping going. Only one 100-miler each year, at a different location every year. Collect all the finishes! In 2027, we start in Houffalize with the CHOUFFE 100 MILES! Are you ready for the ultimate challenge?

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Trail Running
Max number of

400

participants

Time limit

40

hours to finish

Start friday

2

July 2027

The mythical distance. The only 100 Miles on our trail calendar - Every event unique - At a different location every year

Trail Calendar Belgium

Trail Calendar Belgium

the 40 most popular trails

Is 100 miles for now to far for you ? On trailrun.be you will discover a wide and varied range of trail runs, for both beginner and experienced trail runners. With more than 40 events on the calendar and distances from 10 to 160 km, you will always find a challenge that suits you.

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with the help of our friends and great partners

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Trailrun.be

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#100miles.be

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100k.be

100k.be

100 kilometers - The mythical distance

Is 100 miles still a step too far for you? Then take on a 100K From long-distance trails through the Ardennes to cross-border adventures in Belgium and Luxembourg: discover unique routes, brave the elements, and experience the trails at their best. Whether you want to run your first ultra or already have experience with long distances, 100k.be brings trail runners together around one common passion: running further, pushing boundaries, and experiencing unforgettable adventures.