Pacing, fueling and crew sheet for the course you pick
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At a glance
Ultra-Trail des Sources 2027 is expected from Saturday 28 to Sunday 29 August 2027 in Trois-Ponts (Liège, Belgium), date to be confirmed by the organiser. 7 courses from 10 to 160 km.
Longest course: UTDS - 160KM, 160 km with 4’630 m D+ (29 m per km: hilly terrain). Terrain: 24% trail, 51% forest track and 24% road. Terrain data: © OpenStreetMap contributors.
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An ultra-endurance race of 160 KM and 4630 m D+ using 99% of the original UTDS® route, organized by TheNextVenture in the Pays des Sources region of Belgium.
7 courses
10km6.2mi
334 m D+1’096 ft D+
avg 3%
UTDS19km11.8mi
655 m D+2’149 ft D+
avg 3%
UTDS27km16.8mi
785 m D+2’575 ft D+
avg 3%
UTDS42km26.1mi
1’437 m D+4’715 ft D+
avg 3%
UTDS73km45.4mi
2’279 m D+7’477 ft D+
2’811 m D-9’222 ft D-
avg 3%
UTDS100km62.1mi
2’906 m D+9’534 ft D+
avg 3%
UTDS160km99.4mi
4’630 m D+15’190 ft D+
4’811 m D-15’784 ft D-
avg 3%
UTDS
Course analysis
160 km99.4 mi4’630 m D+15’190 ft D+
- D+
- 4’630 m15’190 ft
- D−
- 4’811 m15’784 ft
- Max alt.
- 697 m2’287 ft
- Steepest
- 11%
Segments
Elevation profile: UTDS - 160KM
160 m – 697 m525 ft – 2’287 ft
Feels like these
- Kodiak Ultra Marathons by UTMB160.9 km100 mi · 208 km-effortOct 8, 2027 · Dates to be confirmed9’061 km away5’630.2 mi away
- Sinister 7 Ultra161 km100 mi · 219 km-effortJul 10, 20277’541 km away4’685.8 mi away
- KoBoLT135.4 km84.1 mi · 189 km-effortNov 28, 2026116 km away72.1 mi away
- Sörmlands 100 Trail Run169.6 km105.4 mi · 192 km-effortSep 10, 20271’155 km away717.7 mi away
Where to stay
Find a place to stay near Trois-Ponts for the race.
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