Cimarron Endurance run is an early season, high altitude, ultra hosted in the Cerro Summit Recreation Area. It is an out and back, along a dirt road and almost never has any snow. The views of the snow covered San Juans are incredible.


50 KM View course top times

Date Finishers Top Result Top Result (F)
05/07/17 25 3:40:32 5:03:42
05/01/16 12 3:44:44 5:47:13
05/03/15 45 3:35:04 4:14:18
05/04/14 7 3:55:37 4:41:55
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information. If you see an error, please let us know

More events by Mad Moose Events


  • Jun 13, 2021
  • Lloyd Harbor, NY
50 KM