FREE

Oso Negro races volunteers v12

Ene 22 2027 16:00 Volunteer on Santiago, Mexico 100k Mountain Ultra trail.

FREE

PRE-Booking 100K

Ene 23 2027 4:00 Santiago, Mexico 100k Mountain Ultra trail. 5 most beautiful waterfalls in the state. 5300m+. ITRA 4. Western States. 100K M.

$2,200MXN

Oso Negro Ultra Trail 50K v12

Ene 23 2027 5:00 Ultra Trail run 50K. 3200m+. ITRA 3. 50K M.

$1,700MXN

TrailRun Oso Negro 30K v12

Ene 23 2027 5:00 Ultra Trail run 30K. 2000m+. ITRA 2.