25–100km15.5–62.1mi
4 courses
Ultra Trail Oso Negro
Santiago, Nuevo León · 
Mexico
1’220–5’273 m D+4’003–17’300 ft D+
Ultra
Upcoming races
January 2027 · 2 races
Sat 23.01.2 races
50–100km31.1–62.1mi
2 courses
Ultra Trail Oso Negro 100k
Santiago, Nuevo Leon, Nuevo León · Mexico
Dates to be confirmedUltra
October 2027 · 1 race
Sat 16.10.1 race
31–105km19.3–65.2mi
4 courses
Ultra Nuevo León
La Ciénega de González, Nuevo León · Mexico
1’907–5’008 m D+6’257–16’430 ft D+
Dates to be confirmedUltra
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