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At a glance
TDLS - Trail Nocturne & Ultra Trail de la Sibérie 2027 takes place on Saturday 20 February 2027 in Profondeville (Namur, Belgium). 11 courses from 6 to 125 km.
Longest course: Trail 125 km, 125 km with 3’860 m D+ (31 m per km: hilly terrain). Terrain: 28% trail, 49% forest track and 22% road. Terrain data: © OpenStreetMap contributors.
On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.
11 courses
6km3.7mi
330 m D+1’083 ft D+
332 m D-1’089 ft D-
avg 6%
Trail 6k nocturne20.02.
No index10km6.2mi
500 m D+1’640 ft D+
517 m D-1’696 ft D-
avg 5%
Trail 10k nocturne20.02.
No index15km9.3mi
600 m D+1’969 ft D+
630 m D-2’067 ft D-
avg 4%
Trail 15k nocturne20.02.
No index19km11.8mi
850 m D+2’789 ft D+
873 m D-2’864 ft D-
avg 4%
Trail 19k nocturne20.02.
No index25km15.5mi
1’000 m D+3’281 ft D+
1’021 m D-3’350 ft D-
avg 4%
Trail 25k nocturne20.02.
35km21.7mi
1’300 m D+4’265 ft D+
1’326 m D-4’350 ft D-
avg 4%
Trail20.02.
42km26.1mi
1’500 m D+4’921 ft D+
1’557 m D-5’108 ft D-
avg 4%
Trail20.02.
52km32.3mi
1’700 m D+5’577 ft D+
1’605 m D-5’266 ft D-
avg 3%
Trail20.02.
75km46.6mi
2’300 m D+7’546 ft D+
2’249 m D-7’379 ft D-
avg 3%
Trail20.02.
100km62.1mi
3’000 m D+9’843 ft D+
2’861 m D-9’386 ft D-
avg 3%
Trail20.02.
125km77.7mi
3’860 m D+12’664 ft D+
3’624 m D-11’890 ft D-
avg 3%
Trail20.02.
Course analysis
125 km77.7 mi3’860 m D+12’664 ft D+
- D+
- 3’860 m12’664 ft
- D−
- 3’624 m11’890 ft
- Max alt.
- 286 m938 ft
- Steepest
- 13%
Segments
Elevation profile: Trail 125 km
83 m – 286 m272 ft – 938 ft
Feels like these
- Festival de Trails EEC102 km63.4 mi · 169 km-effortSep 10, 2027 · Dates to be confirmed16’491 km away10’247 mi away
- Festival Des Templiers100.8 km62.6 mi · 149 km-effortOct 21, 2027711 km away441.8 mi away
- Dolomiti Extreme Trail99.4 km61.8 mi · 178 km-effortJun 11, 2027700 km away435 mi away
- Marathon du Mont-Blanc86.8 km53.9 mi · 149 km-effortJun 24, 2027517 km away321.2 mi away
Where to stay
Find a place to stay near Profondeville for the race.
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