Bastogne - Wiltz - Bastogne 2026
- When
- , 04:00
- Where
- Centre Sportif Porte de Trêves, Bastogne, Belgium (30 km and 18 km start in Wiltz)
- Category
- Sport
- Start line
- In 84 days · 12 full weeks · a 2-week taper would start Mon 14 Dec 2026 · Preparing? ↓
- Official page
- trailrun.be (opens in a new tab)
+ Add to Google Calendarapple / outlook (.ics)
my take
The rare race that runs both sides of the border, and the 30 km starts in Wiltz so you do not even have to leave the country to take part. A 04:00 start in December for the hundred, which tells you who it is for.
about the event
Cross-border winter trail between Belgium and the Grand Duchy, billed by the organiser as the last trail of the year. From Bastogne: 100 km with 3,111 m of climbing at 04:00, 70 km at 06:00 and 50 km at 08:00. From Wiltz, as the Castle Trail Luxembourg: 30 km from 11:00 and 18 km from 13:00. The longer distances count for the UTMB Index.
Preparing for Bastogne - Wiltz - Bastogne 2026?
Race day is Sun 27 Dec 2026, in 84 days. Counted back from that date, a two-week taper would start on Mon 14 Dec 2026; the planner lays out base, build and peak from the day you set it. The taper is the one phase with a meta-analysed optimum: about two weeks, training volume cut by 41 to 60 percent, intensity and frequency kept (Bosquet et al. 2007). A standard structure, not a training plan and not medical advice.
Training is easier in a group: running clubs in Luxembourg
Training calendar: a Monday check-in until race day, plus the taper date and race week.Google CalendarApple / Outlook.ics
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- Sun 13 Dec 2026, 08:00X-MAS Trail Weiskirchen 2026Hochwaldhalle, Weiskirchen, Germany
- Sat 23 Jan 2027 – Sun 24 Jan 2027, 08:00Houffa Trail 2027Vayamundo, Houffalize, Belgium
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