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UltraBelgiumLiège

Ultra-Trail des Sources 2027

28.08 – 29.08.2027Trois-Ponts (Belgium)Dates to be confirmed
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7 courses · 10–160 km6.2–99.4 mi · up to 4’630 m D+up to 15’190 ft D+

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.
From the organiser

7 courses

  1. 10km6.2mi

    334 m D+1’096 ft D+

    avg 3%

    UTDS
    No index
  2. 19km11.8mi

    655 m D+2’149 ft D+

    avg 3%

    UTDS
    ITRA 1UTMB Index 20K
  3. 27km16.8mi

    785 m D+2’575 ft D+

    avg 3%

    UTDS
    ITRA 1UTMB Index 20K
  4. 42km26.1mi

    1’437 m D+4’715 ft D+

    avg 3%

    UTDS
    ITRA 2UTMB Index 50K
  5. 73km45.4mi

    2’279 m D+7’477 ft D+

    2’811 m D-9’222 ft D-

    avg 3%

    UTDS
    ITRA 3UTMB Index 50K
    GPX
  6. 100km62.1mi

    2’906 m D+9’534 ft D+

    avg 3%

    UTDS
    ITRA 4UTMB Index 100K
  7. 160km99.4mi

    4’630 m D+15’190 ft D+

    4’811 m D-15’784 ft D-

    avg 3%

    UTDS
    ITRA 5UTMB Index 100M
    GPX

Course analysis

160 km99.4 mi4’630 m D+15’190 ft D+

206effort kmⓘ160 km on the map · feels like 206 km99.4 mi on the map · feels like 206 km
D+
4’630 m15’190 ft
D−
4’811 m15’784 ft
Max alt.
697 m2’287 ft
Steepest
11%

Segments

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Elevation profile: UTDS - 160KM

160 m – 697 m525 ft – 2’287 ft

Race plan

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Pacing, aid stations and fueling timed to your effort on Ultra-Trail des Sources, in one roadbook.

Where to stay

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