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Les Courses du Grand Ballon2027

02.05.2027Willer-sur-Thur (France)Dates to be confirmed
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Pacing, fueling and crew sheet for the course you pick

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3 courses · 9–25 km · up to 1’320 m D+

3 courses

  1. 9km

    350 m D+

    1’416 m D-

    avg 4%

    Le Mini-Trail de l'Ostein

    02.05.

    No index
    GPX

  2. 14.2km

    1’220 m D+

    173 m D-

    avg 9%

    La Montée

    02.05.

    No index
    GPX

  3. 25km

    1’320 m D+

    1’171 m D-

    avg 5%

    Le Défi du Grand Ballon

    02.05.

    No index
    GPX

Course analysis

25 km1’320 m D+

38effort kmⓘ25 km on the map · feels like 38 km
D+
1’320 m
D−
1’171 m
Max alt.
1’413 m
Steepest
13%

Segments

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Elevation profile: Le Défi du Grand Ballon

374 m — 1’413 m

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Race plan

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Pacing, aid stations and fueling timed to your effort on Les Courses du Grand Ballon, in one roadbook.

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Where to stay

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