Ultra Trail Oso Negro HOME

Prefered Services

Santiago, Mexico 100k Mountain Ultra trail. 5 most beautiful waterfalls in the state. 6040m+ Santiago, Cienega, La Chancaca / Santiago / Nuevo Leon

Santiago, Mexico 75k Mountain Ultra trail. 4500m+ La Sierra de Santiago, Puerto Gringo Ciénega, barr / Santiago / Nuevo Leon

Ultra Trail run. 2500m+ 50k Puerto Gringo-Ciénega Cola de Caballo / Santiago / Nuevo Leon

New
100k

New
70k

New
UT50k

Enjoy

26 Nov ALL DAY
Oso Negro ® Astro Trail 21K 2022

Ultra Astro run. 1200m+ 21k
- BOOK 18:00 $800
27 Jan ALL DAY
Oso Negro races volunteers

Volunteer on Santiago, Mexico 100k Mountain Ultra trail.
- BOOK 4:00
28 Jan ALL DAY
Black Bear Ultra Trail 100K v.7

Santiago, Mexico 100k Mountain Ultra trail. 5 most beautiful waterfalls in the state. 6040m+
- BOOK 3:00 $2200
28 Jan ALL DAY
Oso Negro ® Ultra Trail 75K v.7

Santiago, Mexico 75k Mountain Ultra trail. 4500m+
- BOOK 3:00 $2000
28 Jan ALL DAY
Oso Negro ® Ultra Trail 50K v.7

Ultra Trail run. 2500m+ 50k
- BOOK 5:00 $1800
28 Jan ALL DAY
33K Oso Negro® Ultra Trail v.7

Ultra Trail run. 1700m+ 33k
- BOOK 5:00 $1300

Trail Run Event powered by Linea Final

Monterrey