December |
|  $1,800 | PruebaDic 12 7:00 50K de montaña pura que hacen de esta edición un gran reto! |
January |
|  FREE | Oso Negro races volunteers 2024Ene 12 2024 4:00 Volunteer on Santiago, Mexico 100k Mountain Ultra trail. |
|  $2,500 | Black Bear Ultra Trail 100K V.8Ene 13 2024 5:00 Santiago, Mexico 100k Mountain Ultra trail. 5 most beautiful waterfalls in the state. 5860m+. ITRA 5. Western States. 100K M. |
 $2,300 | Oso Negro ® Ultra Trail 75K v.8Ene 13 2024 5:00 Santiago, Mexico 75k Mountain Ultra trail. 4800m+. ITRA 4. 100K M. |
 $2,000 | Oso Negro® Ultra Trail 43K v.8Ene 13 2024 6:00 Ultra Trail run 43K. 2880m+. ITRA 2. 50K M. |
 $1,500 | 25K Oso Negro® TrailRun v.8Ene 13 2024 6:00 Ultra Trail run 25K. 1600m+. ITRA 1. 20K M. |