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The Trail de la Vallée de la Thyria is a winter trail running event held in Walcourt, in the Namur province of Belgium, within the wooded Ardennes region. Runners can choose between three distances of 23, 13 and 5 kilometres, all set in the countryside around the Thyria valley. The event takes place on Sunday 10 January 2027, so participants should expect cold, damp and possibly muddy winter conditions underfoot. The organisers publish final details, start times and route information on their website closer to race day.
Start / Finish
Walcourt, Belgium (exact start point to be confirmed by the organiser)
Walcourt, Belgium (exact finish point to be confirmed by the organiser)
Race Day
On the day
Before you enter
Other questions
The event is scheduled for Sunday 10 January 2027 in Walcourt, Belgium. Always confirm the date on the organiser's website before travelling, as winter trail events can be moved.
The event is based in Walcourt. The precise start and finish location, along with the address for parking, are published by the organiser before race day.
Trail courses through a valley are harder to watch than road races, but spectators can usually gather near the start and finish in Walcourt. The organiser can advise on the best accessible spots.
No weather or cancellation policy is published on this listing. Trail events in the Ardennes in January can be affected by snow or ice, so check the organiser's website and social channels in the days before the race.
Walcourt, Belgium
Sunday, January 10, 2027
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€12
entry fee