Trail Godefroy

About the Event

The Trail Godefroy Bouillon takes place on Saturday, June 6, 2026, starting and finishing above Bouillon facing its iconic medieval castle in the heart of the Belgian Ardennes. Voted the best-rated event for four consecutive years with a 9.2/10 satisfaction score, this demanding trail offers five distinct distances that follow the ridges of the Semois valley before diving regularly toward the river, combining spectacular panoramas with technical sections typical of the region.

Race Distance	Start Location	Finish Location	Start Time
TGB 100	Above Bouillon (Château view)	Medieval Castle, Bouillon	To be announced
TGB 75	Above Bouillon (Château view)	Medieval Castle, Bouillon	To be announced
TGB 50	Above Bouillon (Château view)	Medieval Castle, Bouillon	To be announced
TGB 35	Above Bouillon (Château view)	Medieval Castle, Bouillon	To be announced
TGB 20	Above Bouillon (Château view)	Medieval Castle, Bouillon	To be announced

Event Logistics and Participant Information:

Registration Opening: Registrations begin on Thursday, November 6, via the SQM Time / Passion For Sports platform.
Capacity Limit: The total number of race bibs is strictly limited to 2,000 participants for the 2026 edition. Bibs sell out faster each year.
Member Access: 1,500 bibs are reserved for club members (TrailRun.be subscribers), with 500 places available for non-members.
Club Membership: Joining the club (from €10/year) provides 20% reduction, free cancellation insurance, and access to a larger number of bibs per event. Maximum 5,000 members in 2026.
Course Improvements: Several sections have been reworked to enhance running pleasure and highlight the most beautiful natural passages of the route.
Mandatory Equipment: Each distance has specific mandatory and recommended gear requirements (details available per course).
Aid Stations & Cut-offs: Refreshment posts and time barriers (cut-off times) are defined for each distance.
Practical Facilities: Bag drop, secured cloakroom, toilets, showers, and foldable cup available. Parking and accessibility information provided separately.

Route and Atmosphere:

Scenic Highlights: The trails follow wild ridgelines above the Semois river, plunging regularly toward the water, with uninterrupted views of the medieval Château de Bouillon.
Terrain Profile: Technical Ardennes terrain combining forest singletrack, rooty sections, and natural paths typical of the region. GPX files and course markings provided.
Summer Trail Atmosphere: A celebration of summer's arrival with longer days, lush green forests, and dry trails underfoot.
UTMB Index: All distances are indexed for UTMB qualification (details available per course).
Tourism: Participants are encouraged to explore Bouillon and its surroundings, including the famous castle and Semois valley.
Community: Consistently rated 9.2/10 by participants over 400+ reviews, the event is known for its exceptional organisation and festive Ardennes spirit.

The Trail Godefroy Bouillon 2026 is a must-have Ardennes trail experience, combining wild singletrack, spectacular river views, and a start-finish line at the foot of a medieval castle – rated best event for four years running.

Races Offered

Trail 100 km

Jun 06, 2026

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Distance — 100K

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Type — Running

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00:00

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€140.00

Trail 20 km

Jun 06, 2026

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Distance — 20K

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Type — Running

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00:00

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€37.50

Trail 30 km

Jun 06, 2026

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Distance — 30K

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Type — Running

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€49.00

Trail 50 km

Jun 06, 2026

straighten

Distance — 50K

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Type — Running

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00:00

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€79.00

Trail 75 km

Jun 06, 2026

straighten

Distance — 75K

terrain

Type — Running

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00:00

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€110.00

Weather History

These values represent the 3-year monthly averages for June in Bouillon.

thermostat Temperature

12.8° / 22.0°

wb_sunny Feels like

10.8° / 20.3°

light_mode Avg sunshine hours

12h 1m

water_drop Avg rainfall

2.6 mm

ac_unit Avg snowfall

—

air Avg wind speed

11.6 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.6)

humidity_mid Humidity

69.1%

wb_twilight Sunrise

05:32

nightlight Sunset

21:48

About Bouillon

Learn more about the host city, Bouillon.

Bouillon is a small town located on the southern edge of the province of Luxembourg in the Wallonia region in Belgium. The Semois river cut out the beautiful valley in which the town was built. The town is located merely 2 kilometers from the border with France.