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La Gresylienne
TrailFranceSavoie

La Gresylienne2027

26.09.2027Grésy-sur-Aix (France)
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4 courses · 10–40 km · up to 1’600 m D+

At a glance

La Gresylienne 2027 takes place on Sunday 26 September 2027 in Grésy-sur-Aix (Savoie, France). 4 courses from 10 to 40 km.

Longest course: Trail Corsuet Crémaillère, 40 km with 1’600 m D+ (40 m per km: mountain terrain).

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

Every year in Grésy-sur-Aix, La Grésylienne brings together runners and hikers around a single motto: the pleasure of sharing the effort in nature. Trail, relay, or hike: everyone finds their…
From the organiser · Official site

4 courses

  1. 10km

    240 m D+

    251 m D-

    avg 2%

    Trail des Balcons du Lac
    ITRA 0
    GPX
  2. 16km

    480 m D+

    541 m D-

    avg 3%

    Trail des Balcons Crémaillère
    ITRA 0UTMB Index 20K
    GPX
  3. 25km

    1’173 m D+

    1’224 m D-

    avg 5%

    Trail Corsuet Sierroz
    ITRA 1UTMB Index 20K
    GPX
  4. 40km

    1’600 m D+

    1’764 m D-

    avg 4%

    Trail Corsuet Crémaillère
    ITRA 2UTMB Index 50K
    GPX

Course analysis

40 km1’600 m D+

56effort kmⓘ40 km on the map · feels like 56 km
D+
1’600 m
D−
1’764 m
Max alt.
714 m
Steepest
15%

Segments

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Elevation profile: Trail Corsuet Crémaillère

248 m — 714 m

Race plan

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Pacing, aid stations and fueling timed to your effort on La Gresylienne, in one roadbook.

Where to stay

Find a place to stay near Grésy-sur-Aix for the race.

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