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Ultra Trail Oso Negro
UltraMexicoNuevo León

Ultra Trail Oso Negro2027

23.01.2027Santiago (Mexico)
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Pacing, fueling and crew sheet for the course you pick

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4 courses · 25–100 km · up to 5’273 m D+

4 courses

  1. 25km

    1’220 m D+

    avg 5%

    Astro Trail Nocturno 21K
    No index

  2. 30km

    2’000 m D+

    avg 7%

    30 km
    No index

  3. 50km

    3’200 m D+

    avg 6%

    50 km
    No index

  4. 100km

    5’273 m D+

    avg 5%

    100 km
    No index

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Ultra Trail Oso Negro, in one roadbook.

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The race

A challenging race exploring the Sierra de Santiago, offering both a physical and mental challenge. Starting in Santiago Pueblo Mágico, Nuevo León, the competition stands out for its unique route 41 km from the center of Monterrey.

Where to stay

Find a place to stay near Santiago for the race.

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