Trailrun.be 2027: 40+ events. 5 levels. Endless challenges!

From your first 10 kilometres to the ultimate 100 Miles. Discover the trail universe of Trailrun.be!

With more than 40 trail races and hundreds of distances, we offer  challenges for everyone in 2027. From beginners to experienced ultra runners, from young to old.

Our offering is built like a pyramid with four levels and a 5th special level. Each level offers new challenges, new boundaries and unforgettable experiences.

Level 1 – 100 MILES | The Ultimate Challenge

1 race. 1 location. Once a year.

At the very top of our pyramid is the ultimate challenge: A 100-mile race (160 km).

Just one 100 Miles race per year, each time in a different iconic location. Exclusive, extreme, and the absolute pinnacle of our trail calendar.

• 2027: Choufftrail 100 Miles – confirmed

• 2028: Trail Godefroy Bouillon 100 Miles – subject to change

• 2029: GTLC 100 Miles – confirmed

One year. One race. One hundred miles.

Discover more on our brand-new site  www.100miles.be

Level 2 – 100K | Six iconic races

6 iconic ultra trails. 100 kilometres.

Six unique 100Km races at six special locations. For trail runners who want to go further, push their limits and dream of a real ultra challenge.

6 races. 100 kilometers. Endless determination.

Epic Trail , GTLC Vianden (new) , Godefroy Bouillon , the Grizzly Bear , Bastogne-Wiltz-Bastogne and the Chouffe Trail are all listed here

Discover them at www.100k.be

Level 3 – 50K | Go beyond your limits

30 races. 30 unique challenges.

The ideal step into the world of ultra trails. From technical mountain trails to beautiful nature courses: our 50K distances combine adventure, endurance, and challenge.

For some, the ultimate goal; for others, the stepping stone to 100K or 100 Miles.

50 kilometers. Your next big challenge.

Level 4 – 10K to 40K | Where your adventure begins

Hundreds of distances. For everyone.

The broad foundation of our pyramid! From accessible 10K trails to challenging courses of 20, 30, and 40 kilometres.

For beginners, recreational runners, young and old, but just as much for experienced trail runners who want to fully enjoy nature and the sport.

Every distance. Every runner. Every adventure.

Your trail. Your challenge. Your next level.

More than 40 events. Four levels. One passion.
TRAILRUN.BE – ONE TRAIL UNIVERSE. ENDLESS CHALLENGES.

Level 5 – SPECIAL CHALLENGES | Push Your Limits

2 Backyard Challenges. 24 hours. How far can you go?
In 2027, our schedule also features two special Backyard challenges for trail runners who want to discover their limits
The concept? Running laps for 24 hours and deciding for yourself how far you go. Experiment with longer distances, test your endurance, and discover what you are truly capable of.
Two unique locations:
GTLC Backyard Baraque de Fraiture 
Dinant Backyard
Not a classic race distance, but a personal challenge where every extra lap is a victory.
Your distance. Your limits. Your challenge.

View all events at www.trailrun.be