Distances
80 km
Overview
The prestigious Hippodrome de Uccle-Boitsfort will host the start and finish of the new distance: the 80 km around Brussels! A major challenge for ultra-trail enthusiasts in search of an extraordinary experience.
The first 5 and last 20 kilometers are laid out in the Forêt de Soignes, while the remaining 55 kilometers follow the route of the Promenade Verte around Brussels. The Promenade Verte, dear to Brussels Environment, connects the green spots on the outskirts of Brussels, including Parc Malou (Woluwe), Parc du Bon Pasteur (Erere), the Atomium, Parc du Roi Baudouin, Parc du Scheutbos (Molenbeek-Saint-Jean), Parc de Pede (Anderlecht), Parc du Bempts (Forêt) and more.
On arrival, the welcome village will open its doors to you in a warm and friendly atmosphere, to celebrate your achievements together and extend the experience beyond the finish line.
Pratical information
Mandatory equipment
- Piece of identification
- Headlamp/front lamp for the start of the race
- Mobile phone
- 1,5 liters of water minimum
- Personal cup 15cl min.
- Food reserve
- Survival blanket
- Optional but highly recommended: GPX plot and a reader or a map
- Optional: Reflective armband
It is also highly recommended to bring with you: a warmer garment, a jacket, a raincoat, a minimum of 20 € to compensate for the unexpected replacement clothing and socks, an elastic band allowing to make a bandage or a strapping (mini 80cm x 3 cm). Warning: Riders are likely to be checked at any time on the course. The absence of part of the mandatory equipment will result in immediate disqualification.
Keep up to date with the latest news or photos via the event’s Facebook page.
Itinerary 80 km
Please note that the definitive version of the route will be available in the month preceding the event.
You can also download the route directly from the Trace De Trail website (button below).
- Start & Finish: Uccle-Boitsfort racecourse
- Drink stations: km 21 | km 46 | km 72 | finish
- Refreshment: Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- Time limit drink station: 8:00 (21km) Evere| 11:35 (46km) Erasmes | 15:20 (67km) Bosmuseum | 17:25 finish
- TIMING
- REGISTRATION
Marking on the 80km course
Start – 5th km: follow the orange Zatopek Event markings.
5th km (Chemin des deux montagnes) – 61st km (Chemin de Berckmans): follow the Green Walk markings..
61st km – Finish: follow the orange Zatopek Event markings.
80 RBB
Overview
The prestigious site of the Hippodrome of Uccle-Boitsfort will once again be the scene of departures and arrivals for all distances. The 52k course will offer you a maximum of singletracks.
The trail immerses you in the Sonian Forest and takes you through numerous nature reserves to the Domain of La Hulpe before returning to the Uccle-Boitsfort Racecourse via numerous breathtaking trails in the heart of the green lung of the European capital.
When you arrive, the arrival village is transformed into a friendly place to welcome you and extend the after-race fun.
Practical information
- Start & Finish: Uccle-Boitsfort racecourse
- Drink stations: km 22 | km 36 | finish
- Refreshment: Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- Time limit: 11:40 drink station 1 | 13:40 drink station 2 | 16:00 finish
- TIMING
- REGISTRATION
Mandatory equipment
- Piece of identification
- Mobile phone
- 1,5 liters of water minimum
- Personal cup 15cl min.
- Food reserve
- Survival blanket
- Optional but highly recommended: GPX plot and a reader or a map
- Optional: Reflective armband
It is also highly recommended to bring with you: a warmer garment, a jacket, a raincoat, a minimum of 20 € to compensate for the unexpected replacement clothing and socks, an elastic band allowing to make a bandage or a strapping (mini 80cm x 3 cm). Warning: Riders are likely to be checked at any time on the course. The absence of part of the mandatory equipment will result in immediate disqualification.
Keep up to date with the latest news or photos via the event’s Facebook page.
Itinerary 52 km
Please note that the final version of the course will be accessible in the month preceding the event.
If you want to download the trail, go directly to the Trace De Trail link (below) to easily import it from the website.
Marking on the 52km course
Here is the markup (arrows + rubalise) used for the course of 52km : yellow.

46 km
Présentation
Le parcours de 46 km est destinés aux traileurs expérimentés, même si le dénivelé est raisonnable. Il plonge dans la forêt de Soignes, via quelques beaux “singles”, contourne le superbe château de La Hulpe et traverse plusieurs réserves naturelles et site remarquables avant de vous ramener à l’hippodrome de Uccle-Boitsfort. Un parcours surprenant au cœur du poumon vert de la capitale européenne.
À votre arrivée, le village d’arrivées sera transformé en site convivial afin de vous accueillir et de prolonger le plaisir au-delà de la course.
En pratique
- Départ & Arrivée: Hippodrome de Uccle-Boitsfort
- Ravitaillements: 18e km | 36e km | à l'arrivée
- Contenu ravitaillements: Eau, Boisson sucrée, Barre de céréales vitaminées/protéinées, Crackers, Raisins secs, Fruits frais, Cacahuètes, Chocolat, etc.
- Barrières horaires:
- HORAIRES
- INSCRIPTION
Matériel obligatoire
- Pièce d'identité
- Lampe frontale/ventrale pour début de course
- Téléphone portable
- 1,5 litre d'eau minimum
- Gobelet personnel 15cl min.
- Réserve alimentaire
- Couverture de survie
- Optionnel mais vivement conseillé : Tracé GPX et un lecteur ou plan papier
- Optionnel : Brassard réfléchissant
Il est aussi fortement recommandé d’emporter avec soi: un vêtement plus chaud, une veste, un imperméable, une somme minimum de 20€ afin de pallier les imprévus, un vêtement et des chaussettes de rechange, une bande élastique adhésive permettant de faire un bandage ou un strapping (mini 80cm x 3 cm). Attention : Les coureurs sont susceptibles d’être contrôlés à tout moment sur le parcours. L’absence d’une partie du matériel obligatoire entraînera la disqualification immédiate.
Parcours
Pour leur sécurité, les coureurs doivent respecter le code de la route.
Attention, la version définitive du parcours sera accessible dans le mois précédant l’événement.
Afin de télécharger la trace de la course, rendez-vous directement sur le lien Trace De Trail (ci-dessous) afin de l’importer facilement depuis le site.
Tenez-vous au courant des dernières infos ou photos via la page Facebook de l’évènement.
24 km
Overview
The prestigious site of the Hippodrome of Uccle-Boitsfort will once again be the scene of departures and arrivals for all distances. The middle-distance course offers you a maximum of singletracks.
The trail immerses you in the Sonian Forest and takes you through numerous nature reserves and remarkable sites before returning to the Uccle-Boitsfort Racecourse through numerous breathtaking trails in the heart of the green lung of the European capital.
This course is perfect for half marathoners who like speed on varied and less traumatic terrain and marathoners who seek miles in the shade of the woods.
When you arrive, the arrival village is transformed into a friendly place to welcome you and extend the after-race fun.
Practical information
- Start & Finish: Boitsfort racecourse
- Drink stations: km 11 | finish
- Refreshment: Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- Time limit: 11:05 drink station | 13:20 finish
- TIMING
- REGISTRATION
Mandatory equipment
- Piece of identification
- Mobile phone
- Personal cup 15cl min.
- Optional but highly recommended: GPX plot and a reader or a map
Keep up to date with the latest news or photos via the event’s Facebook page.
Marking on the 26km course
Here is the markup (arrows + rubalise) used for the course of 26km : Orange.

Itinerary 26 km
Please note that the final version of the course will be accessible in the month preceding the event.
If you want to download the trail, go directly to the Trace De Trail link (below) to easily import it from the website.
5&10 km
Overview
The prestigious site of the Hippodrome of Uccle-Boitsfort will once again be the scene of departures and arrivals for all distances. The short-distance course offers you a maximum of singletracks.
This nature trail immerses you in the Sonian Forest and takes you through numerous nature reserves and remarkable sites before returning to the racecourse via numerous breathtaking trails in the heart of the green lung of the European capital Uccle-Boitsfort.
When you arrive, the arrival village is transformed into a friendly place to welcome you and extend the after-race fun.
Practical information
- Start & Finish: Boitsfort racecourse
- Refreshment: At the finish - Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- TIMING
- REGISTRATION
Mandatory equipment
- Piece of identification
- Mobile phone
- Personal cup 15cl min. (for finish water station)
Marking on the 10km course
Here is the markup (arrows + rubalise) used for the course of 10km : Blue.
Itinerary 10 km
Please note that the final version of the course will be accessible in the month preceding the event.
If you want to download the trail, go directly to the Trace De Trail link (below) to easily import it from the website.
Itinerary 5 km
Keep up to date with the latest news or photos via the event’s Facebook page.
kids - 1300m
Overview
The race is welcoming kids and teenagers less than 16 years old. The 1300m course is partially drawn in the wood.
Practical information
- Start & Finish: Boitsfort racecourse
- Refreshment: At the finish - Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- TIMING
- REGISTRATION
Keep up to date with the latest news or photos via the event’s Facebook page.
Kids itinerary - 1300m
Walks
Overview
The prestigious site of the Hippodrome of Uccle-Boitsfort will once again be the scene of departures and arrivals for all distances. This year the 26k starts 1 hour earlier than the 10k walk.
Here, no timing. These nature trails will immerse you in the Sonian Forest and take you through numerous nature reserves and remarkable sites before returning to the Uccle-Boitsfort Racecourse via numerous breathtaking trails in the heart of the green lung of the European capital.
When you arrive, the arrival village is transformed into a friendly place to welcome you and extend the after-race fun.
Practical information
- Start & Finish: Boitsfort racecourse
- Refreshment: At the finish and/ or at km11 (26km) - Water, Sweet drink, Vitamin/protein cereal bar, Crackers, Raisins, Fresh fruit, Peanuts, Chocolate, etc.
- TIMING
- REGISTRATION
Mandatory equipment
- Piece of identification
- Mobile phone
- Personal cup 15cl min.
Marking on the 10km course
Here is the markup (arrows + rubalise) used for the course of 10km : Blue.
Marking on the 26km course
Here is the markup (arrows + rubalise) used for the course of 26km : Green.

Keep up to date with the latest news or photos via the event’s Facebook page.
Itinerary 10 km
Please note that the final version of the course will be accessible in the month preceding the event.
If you want to download the trail, go directly to the Trace De Trail link (below) to easily import it from the website.
Parcours 26 km
If you want to download the trail, go directly to the Trace De Trail link (below) to easily import it from the website.
Markup
This year, in addition to the rubalise, bicycle brigades (some paths of which are forbidden to them) and flagmen (especially for crossings), there will be colored arrows on the trail/walking routes to guide participants.
Here are the 4 types of arrows you are likely to encounter on the course(s): 52km, 26&80km, 5&10km and “go back”.




