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Ultra Trail Oso Negro
UltraMexicoNuevo León

Ultra Trail Oso Negro 2027

23.01.2027Santiago (Mexico)
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4 courses · 25–100 km15.5–62.1 mi · up to 5’273 m D+up to 17’300 ft D+

At a glance

Ultra Trail Oso Negro 2027 takes place on Saturday 23 January 2027 in Santiago (Nuevo León, Mexico). 4 courses from 25 to 100 km.

Longest course: 100 km with 5’273 m D+ (53 m per km: mountain terrain).

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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…
From the organiser

4 courses

  1. 25km15.5mi

    1’220 m D+4’003 ft D+

    avg 5%

    Astro Trail Nocturno 21K
    No index

  2. 30km18.6mi

    2’000 m D+6’562 ft D+

    avg 7%

    30 km
    No index

  3. 50km31.1mi

    3’200 m D+10’499 ft D+

    avg 6%

    50 km
    No index

  4. 100km62.1mi

    5’273 m D+17’300 ft D+

    avg 5%

    100 km
    No index

GPX trace not yet published.

Race plan

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Start

Santiago (Mexico)

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